990308880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6630

約数の個数: 240

約数和(自身を含む): 3819666240

約数和(自身を除く): 2829357360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1520, 1584, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 3135, 3344, 3420, 3762, 3960, 4180, 4560, 5016, 6270, 6581, 6840, 7524, 7920, 8360, 9405, 10032, 12540, 13162, 13680, 15048, 16720, 18810, 19743, 25080, 26324, 30096, 32905, 37620, 39486, 50160, 52648, 59229, 65810, 72391, 75240, 78972, 98715, 105296, 118458, 125039, 131620, 144782, 150480, 157944, 197430, 217173, 236916, 250078, 263240, 289564, 296145, 315888, 361955, 375117, 394860, 434346, 473832, 500156, 526480, 579128, 592290, 625195, 651519, 723910, 750234, 789720, 868692, 947664, 1000312, 1085865, 1125351, 1158256, 1184580, 1250390, 1303038, 1375429, 1447820, 1500468, 1579440, 1737384, 1875585, 2000624, 2171730, 2250702, 2369160, 2500780, 2606076, 2750858, 2895640, 3000936, 3257595, 3474768, 3751170, 4126287, 4343460, 4501404, 4738320, 5001560, 5212152, 5501716, 5626755, 5791280, 6001872, 6515190, 6877145, 7502340, 8252574, 8686920, 9002808, 10003120, 10424304, 11003432, 11253510, 12378861, 13030380, 13754290, 15004680, 16505148, 17373840, 18005616, 20631435, 22006864, 22507020, 24757722, 26060760, 27508580, 30009360, 33010296, 41262870, 45014040, 49515444, 52121520, 55017160, 61894305, 66020592, 82525740, 90028080, 99030888, 110034320, 123788610, 165051480, 198061776, 247577220, 330102960, 495154440, 990308880]

約数ペア:

[(1, 990308880), (2, 495154440), (3, 330102960), (4, 247577220), (5, 198061776), (6, 165051480), (8, 123788610), (9, 110034320), (10, 99030888), (11, 90028080), (12, 82525740), (15, 66020592), (16, 61894305), (18, 55017160), (19, 52121520), (20, 49515444), (22, 45014040), (24, 41262870), (30, 33010296), (33, 30009360), (36, 27508580), (38, 26060760), (40, 24757722), (44, 22507020), (45, 22006864), (48, 20631435), (55, 18005616), (57, 17373840), (60, 16505148), (66, 15004680), (72, 13754290), (76, 13030380), (80, 12378861), (88, 11253510), (90, 11003432), (95, 10424304), (99, 10003120), (110, 9002808), (114, 8686920), (120, 8252574), (132, 7502340), (144, 6877145), (152, 6515190), (165, 6001872), (171, 5791280), (176, 5626755), (180, 5501716), (190, 5212152), (198, 5001560), (209, 4738320), (220, 4501404), (228, 4343460), (240, 4126287), (264, 3751170), (285, 3474768), (304, 3257595), (330, 3000936), (342, 2895640), (360, 2750858), (380, 2606076), (396, 2500780), (418, 2369160), (440, 2250702), (456, 2171730), (495, 2000624), (528, 1875585), (570, 1737384), (627, 1579440), (660, 1500468), (684, 1447820), (720, 1375429), (760, 1303038), (792, 1250390), (836, 1184580), (855, 1158256), (880, 1125351), (912, 1085865), (990, 1000312), (1045, 947664), (1140, 868692), (1254, 789720), (1320, 750234), (1368, 723910), (1520, 651519), (1584, 625195), (1672, 592290), (1710, 579128), (1881, 526480), (1980, 500156), (2090, 473832), (2280, 434346), (2508, 394860), (2640, 375117), (2736, 361955), (3135, 315888), (3344, 296145), (3420, 289564), (3762, 263240), (3960, 250078), (4180, 236916), (4560, 217173), (5016, 197430), (6270, 157944), (6581, 150480), (6840, 144782), (7524, 131620), (7920, 125039), (8360, 118458), (9405, 105296), (10032, 98715), (12540, 78972), (13162, 75240), (13680, 72391), (15048, 65810), (16720, 59229), (18810, 52648), (19743, 50160), (25080, 39486), (26324, 37620), (30096, 32905)]