180728760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2621

約数の個数: 128

約数和(自身を含む): 589363200

約数和(自身を除く): 408634440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2557, 2945, 3534, 3720, 4712, 5114, 5890, 7068, 7671, 8835, 10228, 11780, 12785, 14136, 15342, 17670, 20456, 23560, 25570, 30684, 35340, 38355, 48583, 51140, 61368, 70680, 76710, 79267, 97166, 102280, 145749, 153420, 158534, 194332, 237801, 242915, 291498, 306840, 317068, 388664, 396335, 475602, 485830, 582996, 634136, 728745, 792670, 951204, 971660, 1165992, 1189005, 1457490, 1506073, 1585340, 1902408, 1943320, 2378010, 2914980, 3012146, 3170680, 4518219, 4756020, 5829960, 6024292, 7530365, 9036438, 9512040, 12048584, 15060730, 18072876, 22591095, 30121460, 36145752, 45182190, 60242920, 90364380, 180728760]

約数ペア:

[(1, 180728760), (2, 90364380), (3, 60242920), (4, 45182190), (5, 36145752), (6, 30121460), (8, 22591095), (10, 18072876), (12, 15060730), (15, 12048584), (19, 9512040), (20, 9036438), (24, 7530365), (30, 6024292), (31, 5829960), (38, 4756020), (40, 4518219), (57, 3170680), (60, 3012146), (62, 2914980), (76, 2378010), (93, 1943320), (95, 1902408), (114, 1585340), (120, 1506073), (124, 1457490), (152, 1189005), (155, 1165992), (186, 971660), (190, 951204), (228, 792670), (248, 728745), (285, 634136), (310, 582996), (372, 485830), (380, 475602), (456, 396335), (465, 388664), (570, 317068), (589, 306840), (620, 291498), (744, 242915), (760, 237801), (930, 194332), (1140, 158534), (1178, 153420), (1240, 145749), (1767, 102280), (1860, 97166), (2280, 79267), (2356, 76710), (2557, 70680), (2945, 61368), (3534, 51140), (3720, 48583), (4712, 38355), (5114, 35340), (5890, 30684), (7068, 25570), (7671, 23560), (8835, 20456), (10228, 17670), (11780, 15342), (12785, 14136)]