15986700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 53329920

約数和(自身を除く): 37343220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 90, 93, 100, 108, 124, 135, 150, 155, 180, 186, 191, 225, 270, 279, 300, 310, 372, 382, 450, 465, 540, 558, 573, 620, 675, 764, 775, 837, 900, 930, 955, 1116, 1146, 1350, 1395, 1550, 1674, 1719, 1860, 1910, 2292, 2325, 2700, 2790, 2865, 3100, 3348, 3438, 3820, 4185, 4650, 4775, 5157, 5580, 5730, 5921, 6876, 6975, 8370, 8595, 9300, 9550, 10314, 11460, 11842, 13950, 14325, 16740, 17190, 17763, 19100, 20628, 20925, 23684, 25785, 27900, 28650, 29605, 34380, 35526, 41850, 42975, 51570, 53289, 57300, 59210, 71052, 83700, 85950, 88815, 103140, 106578, 118420, 128925, 148025, 159867, 171900, 177630, 213156, 257850, 266445, 296050, 319734, 355260, 444075, 515700, 532890, 592100, 639468, 799335, 888150, 1065780, 1332225, 1598670, 1776300, 2664450, 3197340, 3996675, 5328900, 7993350, 15986700]

約数ペア:

[(1, 15986700), (2, 7993350), (3, 5328900), (4, 3996675), (5, 3197340), (6, 2664450), (9, 1776300), (10, 1598670), (12, 1332225), (15, 1065780), (18, 888150), (20, 799335), (25, 639468), (27, 592100), (30, 532890), (31, 515700), (36, 444075), (45, 355260), (50, 319734), (54, 296050), (60, 266445), (62, 257850), (75, 213156), (90, 177630), (93, 171900), (100, 159867), (108, 148025), (124, 128925), (135, 118420), (150, 106578), (155, 103140), (180, 88815), (186, 85950), (191, 83700), (225, 71052), (270, 59210), (279, 57300), (300, 53289), (310, 51570), (372, 42975), (382, 41850), (450, 35526), (465, 34380), (540, 29605), (558, 28650), (573, 27900), (620, 25785), (675, 23684), (764, 20925), (775, 20628), (837, 19100), (900, 17763), (930, 17190), (955, 16740), (1116, 14325), (1146, 13950), (1350, 11842), (1395, 11460), (1550, 10314), (1674, 9550), (1719, 9300), (1860, 8595), (1910, 8370), (2292, 6975), (2325, 6876), (2700, 5921), (2790, 5730), (2865, 5580), (3100, 5157), (3348, 4775), (3438, 4650), (3820, 4185)]