71711680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7277

約数の個数: 56

約数和(自身を含む): 176296320

約数和(自身を除く): 104584640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7229, 9920, 14458, 28916, 36145, 57832, 72290, 115664, 144580, 224099, 231328, 289160, 448198, 462656, 578320, 896396, 1120495, 1156640, 1792792, 2240990, 2313280, 3585584, 4481980, 7171168, 8963960, 14342336, 17927920, 35855840, 71711680]

約数ペア:

[(1, 71711680), (2, 35855840), (4, 17927920), (5, 14342336), (8, 8963960), (10, 7171168), (16, 4481980), (20, 3585584), (31, 2313280), (32, 2240990), (40, 1792792), (62, 1156640), (64, 1120495), (80, 896396), (124, 578320), (155, 462656), (160, 448198), (248, 289160), (310, 231328), (320, 224099), (496, 144580), (620, 115664), (992, 72290), (1240, 57832), (1984, 36145), (2480, 28916), (4960, 14458), (7229, 9920)]