168665420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3591

約数の個数: 96

約数和(自身を含む): 455970816

約数和(自身を除く): 287305396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 3410, 3533, 4340, 4774, 6820, 7066, 9548, 11935, 14132, 17665, 23870, 24731, 35330, 38863, 47740, 49462, 70660, 77726, 98924, 109523, 123655, 155452, 194315, 219046, 247310, 272041, 388630, 438092, 494620, 544082, 547615, 766661, 777260, 1088164, 1095230, 1204753, 1360205, 1533322, 2190460, 2409506, 2720410, 3066644, 3833305, 4819012, 5440820, 6023765, 7666610, 8433271, 12047530, 15333220, 16866542, 24095060, 33733084, 42166355, 84332710, 168665420]

約数ペア:

[(1, 168665420), (2, 84332710), (4, 42166355), (5, 33733084), (7, 24095060), (10, 16866542), (11, 15333220), (14, 12047530), (20, 8433271), (22, 7666610), (28, 6023765), (31, 5440820), (35, 4819012), (44, 3833305), (55, 3066644), (62, 2720410), (70, 2409506), (77, 2190460), (110, 1533322), (124, 1360205), (140, 1204753), (154, 1095230), (155, 1088164), (217, 777260), (220, 766661), (308, 547615), (310, 544082), (341, 494620), (385, 438092), (434, 388630), (620, 272041), (682, 247310), (770, 219046), (868, 194315), (1085, 155452), (1364, 123655), (1540, 109523), (1705, 98924), (2170, 77726), (2387, 70660), (3410, 49462), (3533, 47740), (4340, 38863), (4774, 35330), (6820, 24731), (7066, 23870), (9548, 17665), (11935, 14132)]