21291639480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{15511}}^1$

素因数の和:15603

約数の個数: 256

約数和(自身を含む): 75053260800

約数和(自身を除く): 53761621320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 41, 45, 54, 60, 62, 72, 82, 90, 93, 108, 120, 123, 124, 135, 155, 164, 180, 186, 205, 216, 246, 248, 270, 279, 310, 328, 360, 369, 372, 410, 465, 492, 540, 558, 615, 620, 738, 744, 820, 837, 930, 984, 1080, 1107, 1116, 1230, 1240, 1271, 1395, 1476, 1640, 1674, 1845, 1860, 2214, 2232, 2460, 2542, 2790, 2952, 3348, 3690, 3720, 3813, 4185, 4428, 4920, 5084, 5535, 5580, 6355, 6696, 7380, 7626, 8370, 8856, 10168, 11070, 11160, 11439, 12710, 14760, 15252, 15511, 16740, 19065, 22140, 22878, 25420, 30504, 31022, 33480, 34317, 38130, 44280, 45756, 46533, 50840, 57195, 62044, 68634, 76260, 77555, 91512, 93066, 114390, 124088, 137268, 139599, 152520, 155110, 171585, 186132, 228780, 232665, 274536, 279198, 310220, 343170, 372264, 418797, 457560, 465330, 480841, 558396, 620440, 635951, 686340, 697995, 837594, 930660, 961682, 1116792, 1271902, 1372680, 1395990, 1442523, 1675188, 1861320, 1907853, 1923364, 2093985, 2404205, 2543804, 2791980, 2885046, 3179755, 3350376, 3815706, 3846728, 4187970, 4327569, 4808410, 5087608, 5583960, 5723559, 5770092, 6359510, 7212615, 7631412, 8375940, 8655138, 9539265, 9616820, 11447118, 11540184, 12719020, 12982707, 14425230, 15262824, 16751880, 17170677, 17310276, 19078530, 19233640, 19714481, 21637845, 22894236, 25438040, 25965414, 28617795, 28850460, 34341354, 34620552, 38157060, 39428962, 43275690, 45788472, 51930828, 57235590, 57700920, 59143443, 64913535, 68682708, 76314120, 78857924, 85853385, 86551380, 98572405, 103861656, 114471180, 118286886, 129827070, 137365416, 157715848, 171706770, 173102760, 177430329, 197144810, 228942360, 236573772, 259654140, 295717215, 343413540, 354860658, 394289620, 473147544, 519308280, 532290987, 591434430, 686827080, 709721316, 788579240, 887151645, 1064581974, 1182868860, 1419442632, 1774303290, 2129163948, 2365737720, 2661454935, 3548606580, 4258327896, 5322909870, 7097213160, 10645819740, 21291639480]

約数ペア:

[(1, 21291639480), (2, 10645819740), (3, 7097213160), (4, 5322909870), (5, 4258327896), (6, 3548606580), (8, 2661454935), (9, 2365737720), (10, 2129163948), (12, 1774303290), (15, 1419442632), (18, 1182868860), (20, 1064581974), (24, 887151645), (27, 788579240), (30, 709721316), (31, 686827080), (36, 591434430), (40, 532290987), (41, 519308280), (45, 473147544), (54, 394289620), (60, 354860658), (62, 343413540), (72, 295717215), (82, 259654140), (90, 236573772), (93, 228942360), (108, 197144810), (120, 177430329), (123, 173102760), (124, 171706770), (135, 157715848), (155, 137365416), (164, 129827070), (180, 118286886), (186, 114471180), (205, 103861656), (216, 98572405), (246, 86551380), (248, 85853385), (270, 78857924), (279, 76314120), (310, 68682708), (328, 64913535), (360, 59143443), (369, 57700920), (372, 57235590), (410, 51930828), (465, 45788472), (492, 43275690), (540, 39428962), (558, 38157060), (615, 34620552), (620, 34341354), (738, 28850460), (744, 28617795), (820, 25965414), (837, 25438040), (930, 22894236), (984, 21637845), (1080, 19714481), (1107, 19233640), (1116, 19078530), (1230, 17310276), (1240, 17170677), (1271, 16751880), (1395, 15262824), (1476, 14425230), (1640, 12982707), (1674, 12719020), (1845, 11540184), (1860, 11447118), (2214, 9616820), (2232, 9539265), (2460, 8655138), (2542, 8375940), (2790, 7631412), (2952, 7212615), (3348, 6359510), (3690, 5770092), (3720, 5723559), (3813, 5583960), (4185, 5087608), (4428, 4808410), (4920, 4327569), (5084, 4187970), (5535, 3846728), (5580, 3815706), (6355, 3350376), (6696, 3179755), (7380, 2885046), (7626, 2791980), (8370, 2543804), (8856, 2404205), (10168, 2093985), (11070, 1923364), (11160, 1907853), (11439, 1861320), (12710, 1675188), (14760, 1442523), (15252, 1395990), (15511, 1372680), (16740, 1271902), (19065, 1116792), (22140, 961682), (22878, 930660), (25420, 837594), (30504, 697995), (31022, 686340), (33480, 635951), (34317, 620440), (38130, 558396), (44280, 480841), (45756, 465330), (46533, 457560), (50840, 418797), (57195, 372264), (62044, 343170), (68634, 310220), (76260, 279198), (77555, 274536), (91512, 232665), (93066, 228780), (114390, 186132), (124088, 171585), (137268, 155110), (139599, 152520)]