30716620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 76640256

約数和(自身を除く): 45923636

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 43, 44, 55, 68, 85, 86, 110, 170, 172, 187, 191, 215, 220, 340, 374, 382, 430, 473, 731, 748, 764, 860, 935, 946, 955, 1462, 1870, 1892, 1910, 2101, 2365, 2924, 3247, 3655, 3740, 3820, 4202, 4730, 6494, 7310, 8041, 8213, 8404, 9460, 10505, 12988, 14620, 16082, 16235, 16426, 21010, 32164, 32470, 32852, 35717, 40205, 41065, 42020, 64940, 71434, 80410, 82130, 90343, 139621, 142868, 160820, 164260, 178585, 180686, 279242, 357170, 361372, 451715, 558484, 698105, 714340, 903430, 1396210, 1535831, 1806860, 2792420, 3071662, 6143324, 7679155, 15358310, 30716620]

約数ペア:

[(1, 30716620), (2, 15358310), (4, 7679155), (5, 6143324), (10, 3071662), (11, 2792420), (17, 1806860), (20, 1535831), (22, 1396210), (34, 903430), (43, 714340), (44, 698105), (55, 558484), (68, 451715), (85, 361372), (86, 357170), (110, 279242), (170, 180686), (172, 178585), (187, 164260), (191, 160820), (215, 142868), (220, 139621), (340, 90343), (374, 82130), (382, 80410), (430, 71434), (473, 64940), (731, 42020), (748, 41065), (764, 40205), (860, 35717), (935, 32852), (946, 32470), (955, 32164), (1462, 21010), (1870, 16426), (1892, 16235), (1910, 16082), (2101, 14620), (2365, 12988), (2924, 10505), (3247, 9460), (3655, 8404), (3740, 8213), (3820, 8041), (4202, 7310), (4730, 6494)]