140867720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16229}}^1$

素因数の和:16278

約数の個数: 64

約数和(自身を含む): 373939200

約数和(自身を除く): 233071480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 16229, 32458, 64916, 81145, 113603, 129832, 162290, 227206, 324580, 454412, 503099, 568015, 649160, 908824, 1006198, 1136030, 2012396, 2272060, 2515495, 3521693, 4024792, 4544120, 5030990, 7043386, 10061980, 14086772, 17608465, 20123960, 28173544, 35216930, 70433860, 140867720]

約数ペア:

[(1, 140867720), (2, 70433860), (4, 35216930), (5, 28173544), (7, 20123960), (8, 17608465), (10, 14086772), (14, 10061980), (20, 7043386), (28, 5030990), (31, 4544120), (35, 4024792), (40, 3521693), (56, 2515495), (62, 2272060), (70, 2012396), (124, 1136030), (140, 1006198), (155, 908824), (217, 649160), (248, 568015), (280, 503099), (310, 454412), (434, 324580), (620, 227206), (868, 162290), (1085, 129832), (1240, 113603), (1736, 81145), (2170, 64916), (4340, 32458), (8680, 16229)]