7644520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 18905040

約数和(自身を除く): 11260520

約数列:

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

約数ペア:

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