149702720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15091}}^1$

素因数の和:15139

約数の個数: 56

約数和(自身を含む): 368003328

約数和(自身を除く): 218300608

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, 9920, 15091, 30182, 60364, 75455, 120728, 150910, 241456, 301820, 467821, 482912, 603640, 935642, 965824, 1207280, 1871284, 2339105, 2414560, 3742568, 4678210, 4829120, 7485136, 9356420, 14970272, 18712840, 29940544, 37425680, 74851360, 149702720]

約数ペア:

[(1, 149702720), (2, 74851360), (4, 37425680), (5, 29940544), (8, 18712840), (10, 14970272), (16, 9356420), (20, 7485136), (31, 4829120), (32, 4678210), (40, 3742568), (62, 2414560), (64, 2339105), (80, 1871284), (124, 1207280), (155, 965824), (160, 935642), (248, 603640), (310, 482912), (320, 467821), (496, 301820), (620, 241456), (992, 150910), (1240, 120728), (1984, 75455), (2480, 60364), (4960, 30182), (9920, 15091)]