4357980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 15095808

約数和(自身を除く): 10737828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 71, 90, 93, 99, 110, 124, 132, 142, 155, 165, 180, 186, 198, 213, 220, 279, 284, 310, 330, 341, 355, 372, 396, 426, 465, 495, 558, 620, 639, 660, 682, 710, 781, 852, 930, 990, 1023, 1065, 1116, 1278, 1364, 1395, 1420, 1562, 1705, 1860, 1980, 2046, 2130, 2201, 2343, 2556, 2790, 3069, 3124, 3195, 3410, 3905, 4092, 4260, 4402, 4686, 5115, 5580, 6138, 6390, 6603, 6820, 7029, 7810, 8804, 9372, 10230, 11005, 11715, 12276, 12780, 13206, 14058, 15345, 15620, 19809, 20460, 22010, 23430, 24211, 26412, 28116, 30690, 33015, 35145, 39618, 44020, 46860, 48422, 61380, 66030, 70290, 72633, 79236, 96844, 99045, 121055, 132060, 140580, 145266, 198090, 217899, 242110, 290532, 363165, 396180, 435798, 484220, 726330, 871596, 1089495, 1452660, 2178990, 4357980]

約数ペア:

[(1, 4357980), (2, 2178990), (3, 1452660), (4, 1089495), (5, 871596), (6, 726330), (9, 484220), (10, 435798), (11, 396180), (12, 363165), (15, 290532), (18, 242110), (20, 217899), (22, 198090), (30, 145266), (31, 140580), (33, 132060), (36, 121055), (44, 99045), (45, 96844), (55, 79236), (60, 72633), (62, 70290), (66, 66030), (71, 61380), (90, 48422), (93, 46860), (99, 44020), (110, 39618), (124, 35145), (132, 33015), (142, 30690), (155, 28116), (165, 26412), (180, 24211), (186, 23430), (198, 22010), (213, 20460), (220, 19809), (279, 15620), (284, 15345), (310, 14058), (330, 13206), (341, 12780), (355, 12276), (372, 11715), (396, 11005), (426, 10230), (465, 9372), (495, 8804), (558, 7810), (620, 7029), (639, 6820), (660, 6603), (682, 6390), (710, 6138), (781, 5580), (852, 5115), (930, 4686), (990, 4402), (1023, 4260), (1065, 4092), (1116, 3905), (1278, 3410), (1364, 3195), (1395, 3124), (1420, 3069), (1562, 2790), (1705, 2556), (1860, 2343), (1980, 2201), (2046, 2130)]