488171840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:760

約数の個数: 112

約数和(自身を含む): 1259677440

約数和(自身を除く): 771505600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 239, 260, 320, 416, 478, 491, 520, 832, 956, 982, 1040, 1195, 1912, 1964, 2080, 2390, 2455, 3107, 3824, 3928, 4160, 4780, 4910, 6214, 6383, 7648, 7856, 9560, 9820, 12428, 12766, 15296, 15535, 15712, 19120, 19640, 24856, 25532, 31070, 31424, 31915, 38240, 39280, 49712, 51064, 62140, 63830, 76480, 78560, 99424, 102128, 117349, 124280, 127660, 157120, 198848, 204256, 234698, 248560, 255320, 408512, 469396, 497120, 510640, 586745, 938792, 994240, 1021280, 1173490, 1525537, 1877584, 2042560, 2346980, 3051074, 3755168, 4693960, 6102148, 7510336, 7627685, 9387920, 12204296, 15255370, 18775840, 24408592, 30510740, 37551680, 48817184, 61021480, 97634368, 122042960, 244085920, 488171840]

約数ペア:

[(1, 488171840), (2, 244085920), (4, 122042960), (5, 97634368), (8, 61021480), (10, 48817184), (13, 37551680), (16, 30510740), (20, 24408592), (26, 18775840), (32, 15255370), (40, 12204296), (52, 9387920), (64, 7627685), (65, 7510336), (80, 6102148), (104, 4693960), (130, 3755168), (160, 3051074), (208, 2346980), (239, 2042560), (260, 1877584), (320, 1525537), (416, 1173490), (478, 1021280), (491, 994240), (520, 938792), (832, 586745), (956, 510640), (982, 497120), (1040, 469396), (1195, 408512), (1912, 255320), (1964, 248560), (2080, 234698), (2390, 204256), (2455, 198848), (3107, 157120), (3824, 127660), (3928, 124280), (4160, 117349), (4780, 102128), (4910, 99424), (6214, 78560), (6383, 76480), (7648, 63830), (7856, 62140), (9560, 51064), (9820, 49712), (12428, 39280), (12766, 38240), (15296, 31915), (15535, 31424), (15712, 31070), (19120, 25532), (19640, 24856)]