15302840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 42577920

約数和(自身を除く): 27275080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 43, 56, 62, 70, 82, 86, 124, 140, 155, 164, 172, 205, 215, 217, 248, 280, 287, 301, 310, 328, 344, 410, 430, 434, 574, 602, 620, 820, 860, 868, 1085, 1148, 1204, 1240, 1271, 1333, 1435, 1505, 1640, 1720, 1736, 1763, 2170, 2296, 2408, 2542, 2666, 2870, 3010, 3526, 4340, 5084, 5332, 5740, 6020, 6355, 6665, 7052, 8680, 8815, 8897, 9331, 10168, 10664, 11480, 12040, 12341, 12710, 13330, 14104, 17630, 17794, 18662, 24682, 25420, 26660, 35260, 35588, 37324, 44485, 46655, 49364, 50840, 53320, 54653, 61705, 70520, 71176, 74648, 88970, 93310, 98728, 109306, 123410, 177940, 186620, 218612, 246820, 273265, 355880, 373240, 382571, 437224, 493640, 546530, 765142, 1093060, 1530284, 1912855, 2186120, 3060568, 3825710, 7651420, 15302840]

約数ペア:

[(1, 15302840), (2, 7651420), (4, 3825710), (5, 3060568), (7, 2186120), (8, 1912855), (10, 1530284), (14, 1093060), (20, 765142), (28, 546530), (31, 493640), (35, 437224), (40, 382571), (41, 373240), (43, 355880), (56, 273265), (62, 246820), (70, 218612), (82, 186620), (86, 177940), (124, 123410), (140, 109306), (155, 98728), (164, 93310), (172, 88970), (205, 74648), (215, 71176), (217, 70520), (248, 61705), (280, 54653), (287, 53320), (301, 50840), (310, 49364), (328, 46655), (344, 44485), (410, 37324), (430, 35588), (434, 35260), (574, 26660), (602, 25420), (620, 24682), (820, 18662), (860, 17794), (868, 17630), (1085, 14104), (1148, 13330), (1204, 12710), (1240, 12341), (1271, 12040), (1333, 11480), (1435, 10664), (1505, 10168), (1640, 9331), (1720, 8897), (1736, 8815), (1763, 8680), (2170, 7052), (2296, 6665), (2408, 6355), (2542, 6020), (2666, 5740), (2870, 5332), (3010, 5084), (3526, 4340)]