178217520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^2$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 597472176

約数和(自身を除く): 419254656

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, 239, 240, 260, 312, 390, 478, 520, 624, 717, 780, 956, 1040, 1195, 1434, 1560, 1912, 2390, 2868, 3107, 3120, 3585, 3824, 4780, 5736, 6214, 7170, 9321, 9560, 11472, 12428, 14340, 15535, 18642, 19120, 24856, 28680, 31070, 37284, 46605, 49712, 57121, 57360, 62140, 74568, 93210, 114242, 124280, 149136, 171363, 186420, 228484, 248560, 285605, 342726, 372840, 456968, 571210, 685452, 742573, 745680, 856815, 913936, 1142420, 1370904, 1485146, 1713630, 2227719, 2284840, 2741808, 2970292, 3427260, 3712865, 4455438, 4569680, 5940584, 6854520, 7425730, 8910876, 11138595, 11881168, 13709040, 14851460, 17821752, 22277190, 29702920, 35643504, 44554380, 59405840, 89108760, 178217520]

約数ペア:

[(1, 178217520), (2, 89108760), (3, 59405840), (4, 44554380), (5, 35643504), (6, 29702920), (8, 22277190), (10, 17821752), (12, 14851460), (13, 13709040), (15, 11881168), (16, 11138595), (20, 8910876), (24, 7425730), (26, 6854520), (30, 5940584), (39, 4569680), (40, 4455438), (48, 3712865), (52, 3427260), (60, 2970292), (65, 2741808), (78, 2284840), (80, 2227719), (104, 1713630), (120, 1485146), (130, 1370904), (156, 1142420), (195, 913936), (208, 856815), (239, 745680), (240, 742573), (260, 685452), (312, 571210), (390, 456968), (478, 372840), (520, 342726), (624, 285605), (717, 248560), (780, 228484), (956, 186420), (1040, 171363), (1195, 149136), (1434, 124280), (1560, 114242), (1912, 93210), (2390, 74568), (2868, 62140), (3107, 57360), (3120, 57121), (3585, 49712), (3824, 46605), (4780, 37284), (5736, 31070), (6214, 28680), (7170, 24856), (9321, 19120), (9560, 18642), (11472, 15535), (12428, 14340)]