19907598420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{6869}}^1$

素因数の和:8679

約数の個数: 120

約数和(自身を含む): 62494878600

約数和(自身を除く): 42587280180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 1789, 3578, 5367, 6869, 7156, 8945, 10734, 13738, 16101, 17890, 20607, 21468, 26835, 27476, 32202, 34345, 35780, 41214, 48303, 53670, 61821, 64404, 68690, 80505, 82428, 96606, 103035, 107340, 123642, 137380, 144909, 161010, 185463, 193212, 206070, 241515, 247284, 289818, 309105, 322020, 370926, 412140, 483030, 556389, 579636, 618210, 724545, 741852, 927315, 966060, 1112778, 1236420, 1449090, 1854630, 2225556, 2781945, 2898180, 3709260, 5563890, 11127780, 12288641, 24577282, 36865923, 49154564, 61443205, 73731846, 110597769, 122886410, 147463692, 184329615, 221195538, 245772820, 331793307, 368659230, 442391076, 552988845, 663586614, 737318460, 995379921, 1105977690, 1327173228, 1658966535, 1990759842, 2211955380, 3317933070, 3981519684, 4976899605, 6635866140, 9953799210, 19907598420]

約数ペア:

[(1, 19907598420), (2, 9953799210), (3, 6635866140), (4, 4976899605), (5, 3981519684), (6, 3317933070), (9, 2211955380), (10, 1990759842), (12, 1658966535), (15, 1327173228), (18, 1105977690), (20, 995379921), (27, 737318460), (30, 663586614), (36, 552988845), (45, 442391076), (54, 368659230), (60, 331793307), (81, 245772820), (90, 221195538), (108, 184329615), (135, 147463692), (162, 122886410), (180, 110597769), (270, 73731846), (324, 61443205), (405, 49154564), (540, 36865923), (810, 24577282), (1620, 12288641), (1789, 11127780), (3578, 5563890), (5367, 3709260), (6869, 2898180), (7156, 2781945), (8945, 2225556), (10734, 1854630), (13738, 1449090), (16101, 1236420), (17890, 1112778), (20607, 966060), (21468, 927315), (26835, 741852), (27476, 724545), (32202, 618210), (34345, 579636), (35780, 556389), (41214, 483030), (48303, 412140), (53670, 370926), (61821, 322020), (64404, 309105), (68690, 289818), (80505, 247284), (82428, 241515), (96606, 206070), (103035, 193212), (107340, 185463), (123642, 161010), (137380, 144909)]