128372240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1480

約数の個数: 80

約数和(自身を含む): 316646400

約数和(自身を除く): 188274160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1399, 1480, 2294, 2480, 2798, 2960, 4588, 5596, 5735, 6995, 9176, 11192, 11470, 13990, 18352, 22384, 22940, 27980, 43369, 45880, 51763, 55960, 86738, 91760, 103526, 111920, 173476, 207052, 216845, 258815, 346952, 414104, 433690, 517630, 693904, 828208, 867380, 1035260, 1604653, 1734760, 2070520, 3209306, 3469520, 4141040, 6418612, 8023265, 12837224, 16046530, 25674448, 32093060, 64186120, 128372240]

約数ペア:

[(1, 128372240), (2, 64186120), (4, 32093060), (5, 25674448), (8, 16046530), (10, 12837224), (16, 8023265), (20, 6418612), (31, 4141040), (37, 3469520), (40, 3209306), (62, 2070520), (74, 1734760), (80, 1604653), (124, 1035260), (148, 867380), (155, 828208), (185, 693904), (248, 517630), (296, 433690), (310, 414104), (370, 346952), (496, 258815), (592, 216845), (620, 207052), (740, 173476), (1147, 111920), (1240, 103526), (1399, 91760), (1480, 86738), (2294, 55960), (2480, 51763), (2798, 45880), (2960, 43369), (4588, 27980), (5596, 22940), (5735, 22384), (6995, 18352), (9176, 13990), (11192, 11470)]