30379480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 73094400

約数和(自身を除く): 42714920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 563, 568, 710, 760, 1126, 1349, 1420, 2252, 2698, 2815, 2840, 4504, 5396, 5630, 6745, 10697, 10792, 11260, 13490, 21394, 22520, 26980, 39973, 42788, 53485, 53960, 79946, 85576, 106970, 159892, 199865, 213940, 319784, 399730, 427880, 759487, 799460, 1518974, 1598920, 3037948, 3797435, 6075896, 7594870, 15189740, 30379480]

約数ペア:

[(1, 30379480), (2, 15189740), (4, 7594870), (5, 6075896), (8, 3797435), (10, 3037948), (19, 1598920), (20, 1518974), (38, 799460), (40, 759487), (71, 427880), (76, 399730), (95, 319784), (142, 213940), (152, 199865), (190, 159892), (284, 106970), (355, 85576), (380, 79946), (563, 53960), (568, 53485), (710, 42788), (760, 39973), (1126, 26980), (1349, 22520), (1420, 21394), (2252, 13490), (2698, 11260), (2815, 10792), (2840, 10697), (4504, 6745), (5396, 5630)]