15686970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 44755200

約数和(自身を除く): 29068230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 29, 30, 38, 39, 57, 58, 65, 73, 78, 87, 95, 114, 130, 145, 146, 174, 190, 195, 219, 247, 285, 290, 365, 377, 390, 435, 438, 494, 551, 570, 730, 741, 754, 870, 949, 1095, 1102, 1131, 1235, 1387, 1482, 1653, 1885, 1898, 2117, 2190, 2262, 2470, 2755, 2774, 2847, 3306, 3705, 3770, 4161, 4234, 4745, 5510, 5655, 5694, 6351, 6935, 7163, 7410, 8265, 8322, 9490, 10585, 11310, 12702, 13870, 14235, 14326, 16530, 18031, 20805, 21170, 21489, 27521, 28470, 31755, 35815, 36062, 40223, 41610, 42978, 54093, 55042, 63510, 71630, 80446, 82563, 90155, 107445, 108186, 120669, 137605, 165126, 180310, 201115, 214890, 241338, 270465, 275210, 402230, 412815, 522899, 540930, 603345, 825630, 1045798, 1206690, 1568697, 2614495, 3137394, 5228990, 7843485, 15686970]

約数ペア:

[(1, 15686970), (2, 7843485), (3, 5228990), (5, 3137394), (6, 2614495), (10, 1568697), (13, 1206690), (15, 1045798), (19, 825630), (26, 603345), (29, 540930), (30, 522899), (38, 412815), (39, 402230), (57, 275210), (58, 270465), (65, 241338), (73, 214890), (78, 201115), (87, 180310), (95, 165126), (114, 137605), (130, 120669), (145, 108186), (146, 107445), (174, 90155), (190, 82563), (195, 80446), (219, 71630), (247, 63510), (285, 55042), (290, 54093), (365, 42978), (377, 41610), (390, 40223), (435, 36062), (438, 35815), (494, 31755), (551, 28470), (570, 27521), (730, 21489), (741, 21170), (754, 20805), (870, 18031), (949, 16530), (1095, 14326), (1102, 14235), (1131, 13870), (1235, 12702), (1387, 11310), (1482, 10585), (1653, 9490), (1885, 8322), (1898, 8265), (2117, 7410), (2190, 7163), (2262, 6935), (2470, 6351), (2755, 5694), (2774, 5655), (2847, 5510), (3306, 4745), (3705, 4234), (3770, 4161)]