181212720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^2$

素因数の和:511

約数の個数: 120

約数和(自身を含む): 607492368

約数和(自身を除く): 426279648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 241, 260, 312, 390, 482, 520, 624, 723, 780, 964, 1040, 1205, 1446, 1560, 1928, 2410, 2892, 3120, 3133, 3615, 3856, 4820, 5784, 6266, 7230, 9399, 9640, 11568, 12532, 14460, 15665, 18798, 19280, 25064, 28920, 31330, 37596, 46995, 50128, 57840, 58081, 62660, 75192, 93990, 116162, 125320, 150384, 174243, 187980, 232324, 250640, 290405, 348486, 375960, 464648, 580810, 696972, 751920, 755053, 871215, 929296, 1161620, 1393944, 1510106, 1742430, 2265159, 2323240, 2787888, 3020212, 3484860, 3775265, 4530318, 4646480, 6040424, 6969720, 7550530, 9060636, 11325795, 12080848, 13939440, 15101060, 18121272, 22651590, 30202120, 36242544, 45303180, 60404240, 90606360, 181212720]

約数ペア:

[(1, 181212720), (2, 90606360), (3, 60404240), (4, 45303180), (5, 36242544), (6, 30202120), (8, 22651590), (10, 18121272), (12, 15101060), (13, 13939440), (15, 12080848), (16, 11325795), (20, 9060636), (24, 7550530), (26, 6969720), (30, 6040424), (39, 4646480), (40, 4530318), (48, 3775265), (52, 3484860), (60, 3020212), (65, 2787888), (78, 2323240), (80, 2265159), (104, 1742430), (120, 1510106), (130, 1393944), (156, 1161620), (195, 929296), (208, 871215), (240, 755053), (241, 751920), (260, 696972), (312, 580810), (390, 464648), (482, 375960), (520, 348486), (624, 290405), (723, 250640), (780, 232324), (964, 187980), (1040, 174243), (1205, 150384), (1446, 125320), (1560, 116162), (1928, 93990), (2410, 75192), (2892, 62660), (3120, 58081), (3133, 57840), (3615, 50128), (3856, 46995), (4820, 37596), (5784, 31330), (6266, 28920), (7230, 25064), (9399, 19280), (9640, 18798), (11568, 15665), (12532, 14460)]