21205302000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:889

約数の個数: 320

約数和(自身を含む): 71086878720

約数和(自身を除く): 49881576720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 40, 48, 50, 60, 62, 75, 80, 93, 100, 120, 124, 125, 150, 155, 173, 186, 200, 240, 248, 250, 300, 310, 346, 372, 375, 400, 465, 496, 500, 519, 600, 620, 659, 692, 744, 750, 775, 865, 930, 1000, 1038, 1200, 1240, 1318, 1384, 1488, 1500, 1550, 1730, 1860, 1977, 2000, 2076, 2325, 2480, 2595, 2636, 2768, 3000, 3100, 3295, 3460, 3720, 3875, 3954, 4152, 4325, 4650, 5190, 5272, 5363, 6000, 6200, 6590, 6920, 7440, 7750, 7908, 8304, 8650, 9300, 9885, 10380, 10544, 10726, 11625, 12400, 12975, 13180, 13840, 15500, 15816, 16089, 16475, 17300, 18600, 19770, 20429, 20760, 21452, 21625, 23250, 25950, 26360, 26815, 31000, 31632, 32178, 32950, 34600, 37200, 39540, 40858, 41520, 42904, 43250, 46500, 49425, 51900, 52720, 53630, 61287, 62000, 64356, 64875, 65900, 69200, 79080, 80445, 81716, 82375, 85808, 86500, 93000, 98850, 102145, 103800, 107260, 114007, 122574, 128712, 129750, 131800, 134075, 158160, 160890, 163432, 164750, 173000, 186000, 197700, 204290, 207600, 214520, 228014, 245148, 247125, 257424, 259500, 263600, 268150, 306435, 321780, 326864, 329500, 342021, 346000, 395400, 402225, 408580, 429040, 456028, 490296, 494250, 510725, 519000, 536300, 570035, 612870, 643560, 659000, 670375, 684042, 790800, 804450, 817160, 912056, 980592, 988500, 1021450, 1038000, 1072600, 1140070, 1225740, 1287120, 1318000, 1340750, 1368084, 1532175, 1608900, 1634320, 1710105, 1824112, 1977000, 2011125, 2042900, 2145200, 2280140, 2451480, 2553625, 2681500, 2736168, 2850175, 3064350, 3217800, 3420210, 3534217, 3954000, 4022250, 4085800, 4560280, 4902960, 5107250, 5363000, 5472336, 5700350, 6128700, 6435600, 6840420, 7068434, 7660875, 8044500, 8171600, 8550525, 9120560, 10214500, 10602651, 10726000, 11400700, 12257400, 13680840, 14136868, 14250875, 15321750, 16089000, 17101050, 17671085, 20429000, 21205302, 22801400, 24514800, 27361680, 28273736, 28501750, 30643500, 32178000, 34202100, 35342170, 40858000, 42410604, 42752625, 45602800, 53013255, 56547472, 57003500, 61287000, 68404200, 70684340, 84821208, 85505250, 88355425, 106026510, 114007000, 122574000, 136808400, 141368680, 169642416, 171010500, 176710850, 212053020, 228014000, 265066275, 282737360, 342021000, 353421700, 424106040, 441777125, 530132550, 684042000, 706843400, 848212080, 883554250, 1060265100, 1325331375, 1413686800, 1767108500, 2120530200, 2650662750, 3534217000, 4241060400, 5301325500, 7068434000, 10602651000, 21205302000]

約数ペア:

[(1, 21205302000), (2, 10602651000), (3, 7068434000), (4, 5301325500), (5, 4241060400), (6, 3534217000), (8, 2650662750), (10, 2120530200), (12, 1767108500), (15, 1413686800), (16, 1325331375), (20, 1060265100), (24, 883554250), (25, 848212080), (30, 706843400), (31, 684042000), (40, 530132550), (48, 441777125), (50, 424106040), (60, 353421700), (62, 342021000), (75, 282737360), (80, 265066275), (93, 228014000), (100, 212053020), (120, 176710850), (124, 171010500), (125, 169642416), (150, 141368680), (155, 136808400), (173, 122574000), (186, 114007000), (200, 106026510), (240, 88355425), (248, 85505250), (250, 84821208), (300, 70684340), (310, 68404200), (346, 61287000), (372, 57003500), (375, 56547472), (400, 53013255), (465, 45602800), (496, 42752625), (500, 42410604), (519, 40858000), (600, 35342170), (620, 34202100), (659, 32178000), (692, 30643500), (744, 28501750), (750, 28273736), (775, 27361680), (865, 24514800), (930, 22801400), (1000, 21205302), (1038, 20429000), (1200, 17671085), (1240, 17101050), (1318, 16089000), (1384, 15321750), (1488, 14250875), (1500, 14136868), (1550, 13680840), (1730, 12257400), (1860, 11400700), (1977, 10726000), (2000, 10602651), (2076, 10214500), (2325, 9120560), (2480, 8550525), (2595, 8171600), (2636, 8044500), (2768, 7660875), (3000, 7068434), (3100, 6840420), (3295, 6435600), (3460, 6128700), (3720, 5700350), (3875, 5472336), (3954, 5363000), (4152, 5107250), (4325, 4902960), (4650, 4560280), (5190, 4085800), (5272, 4022250), (5363, 3954000), (6000, 3534217), (6200, 3420210), (6590, 3217800), (6920, 3064350), (7440, 2850175), (7750, 2736168), (7908, 2681500), (8304, 2553625), (8650, 2451480), (9300, 2280140), (9885, 2145200), (10380, 2042900), (10544, 2011125), (10726, 1977000), (11625, 1824112), (12400, 1710105), (12975, 1634320), (13180, 1608900), (13840, 1532175), (15500, 1368084), (15816, 1340750), (16089, 1318000), (16475, 1287120), (17300, 1225740), (18600, 1140070), (19770, 1072600), (20429, 1038000), (20760, 1021450), (21452, 988500), (21625, 980592), (23250, 912056), (25950, 817160), (26360, 804450), (26815, 790800), (31000, 684042), (31632, 670375), (32178, 659000), (32950, 643560), (34600, 612870), (37200, 570035), (39540, 536300), (40858, 519000), (41520, 510725), (42904, 494250), (43250, 490296), (46500, 456028), (49425, 429040), (51900, 408580), (52720, 402225), (53630, 395400), (61287, 346000), (62000, 342021), (64356, 329500), (64875, 326864), (65900, 321780), (69200, 306435), (79080, 268150), (80445, 263600), (81716, 259500), (82375, 257424), (85808, 247125), (86500, 245148), (93000, 228014), (98850, 214520), (102145, 207600), (103800, 204290), (107260, 197700), (114007, 186000), (122574, 173000), (128712, 164750), (129750, 163432), (131800, 160890), (134075, 158160)]