166483640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 398947680

約数和(自身を除く): 232464040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 71, 122, 124, 142, 155, 244, 248, 284, 305, 310, 355, 488, 568, 610, 620, 710, 961, 1220, 1240, 1420, 1891, 1922, 2201, 2440, 2840, 3782, 3844, 4331, 4402, 4805, 7564, 7688, 8662, 8804, 9455, 9610, 11005, 15128, 17324, 17608, 18910, 19220, 21655, 22010, 34648, 37820, 38440, 43310, 44020, 58621, 68231, 75640, 86620, 88040, 117242, 134261, 136462, 173240, 234484, 268522, 272924, 293105, 341155, 468968, 537044, 545848, 586210, 671305, 682310, 1074088, 1172420, 1342610, 1364620, 2344840, 2685220, 2729240, 4162091, 5370440, 8324182, 16648364, 20810455, 33296728, 41620910, 83241820, 166483640]

約数ペア:

[(1, 166483640), (2, 83241820), (4, 41620910), (5, 33296728), (8, 20810455), (10, 16648364), (20, 8324182), (31, 5370440), (40, 4162091), (61, 2729240), (62, 2685220), (71, 2344840), (122, 1364620), (124, 1342610), (142, 1172420), (155, 1074088), (244, 682310), (248, 671305), (284, 586210), (305, 545848), (310, 537044), (355, 468968), (488, 341155), (568, 293105), (610, 272924), (620, 268522), (710, 234484), (961, 173240), (1220, 136462), (1240, 134261), (1420, 117242), (1891, 88040), (1922, 86620), (2201, 75640), (2440, 68231), (2840, 58621), (3782, 44020), (3844, 43310), (4331, 38440), (4402, 37820), (4805, 34648), (7564, 22010), (7688, 21655), (8662, 19220), (8804, 18910), (9455, 17608), (9610, 17324), (11005, 15128)]