556140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 1806336

約数和(自身を除く): 1250196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 31, 39, 46, 52, 60, 62, 65, 69, 78, 92, 93, 115, 124, 130, 138, 155, 156, 186, 195, 230, 260, 276, 299, 310, 345, 372, 390, 403, 460, 465, 598, 620, 690, 713, 780, 806, 897, 930, 1196, 1209, 1380, 1426, 1495, 1612, 1794, 1860, 2015, 2139, 2418, 2852, 2990, 3565, 3588, 4030, 4278, 4485, 4836, 5980, 6045, 7130, 8060, 8556, 8970, 9269, 10695, 12090, 14260, 17940, 18538, 21390, 24180, 27807, 37076, 42780, 46345, 55614, 92690, 111228, 139035, 185380, 278070, 556140]

約数ペア:

[(1, 556140), (2, 278070), (3, 185380), (4, 139035), (5, 111228), (6, 92690), (10, 55614), (12, 46345), (13, 42780), (15, 37076), (20, 27807), (23, 24180), (26, 21390), (30, 18538), (31, 17940), (39, 14260), (46, 12090), (52, 10695), (60, 9269), (62, 8970), (65, 8556), (69, 8060), (78, 7130), (92, 6045), (93, 5980), (115, 4836), (124, 4485), (130, 4278), (138, 4030), (155, 3588), (156, 3565), (186, 2990), (195, 2852), (230, 2418), (260, 2139), (276, 2015), (299, 1860), (310, 1794), (345, 1612), (372, 1495), (390, 1426), (403, 1380), (460, 1209), (465, 1196), (598, 930), (620, 897), (690, 806), (713, 780)]