172987440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23251}}^1$

素因数の和:23298

約数の個数: 80

約数和(自身を含む): 553583616

約数和(自身を除く): 380596176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 23251, 46502, 69753, 93004, 116255, 139506, 186008, 232510, 279012, 348765, 372016, 465020, 558024, 697530, 720781, 930040, 1116048, 1395060, 1441562, 1860080, 2162343, 2790120, 2883124, 3603905, 4324686, 5580240, 5766248, 7207810, 8649372, 10811715, 11532496, 14415620, 17298744, 21623430, 28831240, 34597488, 43246860, 57662480, 86493720, 172987440]

約数ペア:

[(1, 172987440), (2, 86493720), (3, 57662480), (4, 43246860), (5, 34597488), (6, 28831240), (8, 21623430), (10, 17298744), (12, 14415620), (15, 11532496), (16, 10811715), (20, 8649372), (24, 7207810), (30, 5766248), (31, 5580240), (40, 4324686), (48, 3603905), (60, 2883124), (62, 2790120), (80, 2162343), (93, 1860080), (120, 1441562), (124, 1395060), (155, 1116048), (186, 930040), (240, 720781), (248, 697530), (310, 558024), (372, 465020), (465, 372016), (496, 348765), (620, 279012), (744, 232510), (930, 186008), (1240, 139506), (1488, 116255), (1860, 93004), (2480, 69753), (3720, 46502), (7440, 23251)]