15530320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 39528720

約数和(自身を除く): 23998400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 137, 208, 218, 260, 274, 436, 520, 545, 548, 685, 872, 1040, 1090, 1096, 1370, 1417, 1744, 1781, 2180, 2192, 2740, 2834, 3562, 4360, 5480, 5668, 7085, 7124, 8720, 8905, 10960, 11336, 14170, 14248, 14933, 17810, 22672, 28340, 28496, 29866, 35620, 56680, 59732, 71240, 74665, 113360, 119464, 142480, 149330, 194129, 238928, 298660, 388258, 597320, 776516, 970645, 1194640, 1553032, 1941290, 3106064, 3882580, 7765160, 15530320]

約数ペア:

[(1, 15530320), (2, 7765160), (4, 3882580), (5, 3106064), (8, 1941290), (10, 1553032), (13, 1194640), (16, 970645), (20, 776516), (26, 597320), (40, 388258), (52, 298660), (65, 238928), (80, 194129), (104, 149330), (109, 142480), (130, 119464), (137, 113360), (208, 74665), (218, 71240), (260, 59732), (274, 56680), (436, 35620), (520, 29866), (545, 28496), (548, 28340), (685, 22672), (872, 17810), (1040, 14933), (1090, 14248), (1096, 14170), (1370, 11336), (1417, 10960), (1744, 8905), (1781, 8720), (2180, 7124), (2192, 7085), (2740, 5668), (2834, 5480), (3562, 4360)]