251336280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{439}}^1$

素因数の和:833

約数の個数: 128

約数和(自身を含む): 816076800

約数和(自身を除く): 564740520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 367, 390, 439, 520, 734, 780, 878, 1101, 1317, 1468, 1560, 1756, 1835, 2195, 2202, 2634, 2936, 3512, 3670, 4390, 4404, 4771, 5268, 5505, 5707, 6585, 7340, 8780, 8808, 9542, 10536, 11010, 11414, 13170, 14313, 14680, 17121, 17560, 19084, 22020, 22828, 23855, 26340, 28535, 28626, 34242, 38168, 44040, 45656, 47710, 52680, 57070, 57252, 68484, 71565, 85605, 95420, 114140, 114504, 136968, 143130, 161113, 171210, 190840, 228280, 286260, 322226, 342420, 483339, 572520, 644452, 684840, 805565, 966678, 1288904, 1611130, 1933356, 2094469, 2416695, 3222260, 3866712, 4188938, 4833390, 6283407, 6444520, 8377876, 9666780, 10472345, 12566814, 16755752, 19333560, 20944690, 25133628, 31417035, 41889380, 50267256, 62834070, 83778760, 125668140, 251336280]

約数ペア:

[(1, 251336280), (2, 125668140), (3, 83778760), (4, 62834070), (5, 50267256), (6, 41889380), (8, 31417035), (10, 25133628), (12, 20944690), (13, 19333560), (15, 16755752), (20, 12566814), (24, 10472345), (26, 9666780), (30, 8377876), (39, 6444520), (40, 6283407), (52, 4833390), (60, 4188938), (65, 3866712), (78, 3222260), (104, 2416695), (120, 2094469), (130, 1933356), (156, 1611130), (195, 1288904), (260, 966678), (312, 805565), (367, 684840), (390, 644452), (439, 572520), (520, 483339), (734, 342420), (780, 322226), (878, 286260), (1101, 228280), (1317, 190840), (1468, 171210), (1560, 161113), (1756, 143130), (1835, 136968), (2195, 114504), (2202, 114140), (2634, 95420), (2936, 85605), (3512, 71565), (3670, 68484), (4390, 57252), (4404, 57070), (4771, 52680), (5268, 47710), (5505, 45656), (5707, 44040), (6585, 38168), (7340, 34242), (8780, 28626), (8808, 28535), (9542, 26340), (10536, 23855), (11010, 22828), (11414, 22020), (13170, 19084), (14313, 17560), (14680, 17121)]