15289040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 39070416

約数和(自身を除く): 23781376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 241, 244, 260, 305, 482, 488, 520, 610, 793, 964, 976, 1040, 1205, 1220, 1586, 1928, 2410, 2440, 3133, 3172, 3856, 3965, 4820, 4880, 6266, 6344, 7930, 9640, 12532, 12688, 14701, 15665, 15860, 19280, 25064, 29402, 31330, 31720, 50128, 58804, 62660, 63440, 73505, 117608, 125320, 147010, 191113, 235216, 250640, 294020, 382226, 588040, 764452, 955565, 1176080, 1528904, 1911130, 3057808, 3822260, 7644520, 15289040]

約数ペア:

[(1, 15289040), (2, 7644520), (4, 3822260), (5, 3057808), (8, 1911130), (10, 1528904), (13, 1176080), (16, 955565), (20, 764452), (26, 588040), (40, 382226), (52, 294020), (61, 250640), (65, 235216), (80, 191113), (104, 147010), (122, 125320), (130, 117608), (208, 73505), (241, 63440), (244, 62660), (260, 58804), (305, 50128), (482, 31720), (488, 31330), (520, 29402), (610, 25064), (793, 19280), (964, 15860), (976, 15665), (1040, 14701), (1205, 12688), (1220, 12532), (1586, 9640), (1928, 7930), (2410, 6344), (2440, 6266), (3133, 4880), (3172, 4820), (3856, 3965)]