31275900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 108326400

約数和(自身を除く): 77050500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 31, 36, 38, 45, 50, 57, 59, 60, 62, 75, 76, 90, 93, 95, 100, 114, 118, 124, 150, 155, 171, 177, 180, 186, 190, 225, 228, 236, 279, 285, 295, 300, 310, 342, 354, 372, 380, 450, 465, 475, 531, 558, 570, 589, 590, 620, 684, 708, 775, 855, 885, 900, 930, 950, 1062, 1116, 1121, 1140, 1178, 1180, 1395, 1425, 1475, 1550, 1710, 1767, 1770, 1829, 1860, 1900, 2124, 2242, 2325, 2356, 2655, 2790, 2850, 2945, 2950, 3100, 3363, 3420, 3534, 3540, 3658, 4275, 4425, 4484, 4650, 5301, 5310, 5487, 5580, 5605, 5700, 5890, 5900, 6726, 6975, 7068, 7316, 8550, 8835, 8850, 9145, 9300, 10089, 10602, 10620, 10974, 11210, 11780, 13275, 13452, 13950, 14725, 16461, 16815, 17100, 17670, 17700, 18290, 20178, 21204, 21948, 22420, 26505, 26550, 27435, 27900, 28025, 29450, 32922, 33630, 34751, 35340, 36580, 40356, 44175, 45725, 50445, 53010, 53100, 54870, 56050, 58900, 65844, 67260, 69502, 82305, 84075, 88350, 91450, 100890, 104253, 106020, 109740, 112100, 132525, 137175, 139004, 164610, 168150, 173755, 176700, 182900, 201780, 208506, 252225, 265050, 274350, 312759, 329220, 336300, 347510, 411525, 417012, 504450, 521265, 530100, 548700, 625518, 695020, 823050, 868775, 1008900, 1042530, 1251036, 1563795, 1646100, 1737550, 2085060, 2606325, 3127590, 3475100, 5212650, 6255180, 7818975, 10425300, 15637950, 31275900]

約数ペア:

[(1, 31275900), (2, 15637950), (3, 10425300), (4, 7818975), (5, 6255180), (6, 5212650), (9, 3475100), (10, 3127590), (12, 2606325), (15, 2085060), (18, 1737550), (19, 1646100), (20, 1563795), (25, 1251036), (30, 1042530), (31, 1008900), (36, 868775), (38, 823050), (45, 695020), (50, 625518), (57, 548700), (59, 530100), (60, 521265), (62, 504450), (75, 417012), (76, 411525), (90, 347510), (93, 336300), (95, 329220), (100, 312759), (114, 274350), (118, 265050), (124, 252225), (150, 208506), (155, 201780), (171, 182900), (177, 176700), (180, 173755), (186, 168150), (190, 164610), (225, 139004), (228, 137175), (236, 132525), (279, 112100), (285, 109740), (295, 106020), (300, 104253), (310, 100890), (342, 91450), (354, 88350), (372, 84075), (380, 82305), (450, 69502), (465, 67260), (475, 65844), (531, 58900), (558, 56050), (570, 54870), (589, 53100), (590, 53010), (620, 50445), (684, 45725), (708, 44175), (775, 40356), (855, 36580), (885, 35340), (900, 34751), (930, 33630), (950, 32922), (1062, 29450), (1116, 28025), (1121, 27900), (1140, 27435), (1178, 26550), (1180, 26505), (1395, 22420), (1425, 21948), (1475, 21204), (1550, 20178), (1710, 18290), (1767, 17700), (1770, 17670), (1829, 17100), (1860, 16815), (1900, 16461), (2124, 14725), (2242, 13950), (2325, 13452), (2356, 13275), (2655, 11780), (2790, 11210), (2850, 10974), (2945, 10620), (2950, 10602), (3100, 10089), (3363, 9300), (3420, 9145), (3534, 8850), (3540, 8835), (3658, 8550), (4275, 7316), (4425, 7068), (4484, 6975), (4650, 6726), (5301, 5900), (5310, 5890), (5487, 5700), (5580, 5605)]