680193160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{11329}}^1$

素因数の和:11438

約数の個数: 64

約数和(自身を含む): 1631520000

約数和(自身を除く): 951326840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 6004, 7505, 11329, 12008, 15010, 22658, 30020, 45316, 56645, 60040, 90632, 113290, 215251, 226580, 430502, 453160, 861004, 894991, 1076255, 1722008, 1789982, 2152510, 3579964, 4305020, 4474955, 7159928, 8610040, 8949910, 17004829, 17899820, 34009658, 35799640, 68019316, 85024145, 136038632, 170048290, 340096580, 680193160]

約数ペア:

[(1, 680193160), (2, 340096580), (4, 170048290), (5, 136038632), (8, 85024145), (10, 68019316), (19, 35799640), (20, 34009658), (38, 17899820), (40, 17004829), (76, 8949910), (79, 8610040), (95, 7159928), (152, 4474955), (158, 4305020), (190, 3579964), (316, 2152510), (380, 1789982), (395, 1722008), (632, 1076255), (760, 894991), (790, 861004), (1501, 453160), (1580, 430502), (3002, 226580), (3160, 215251), (6004, 113290), (7505, 90632), (11329, 60040), (12008, 56645), (15010, 45316), (22658, 30020)]