7857570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 23887872

約数和(自身を除く): 16030302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 31, 34, 35, 42, 51, 62, 70, 71, 85, 93, 102, 105, 119, 142, 155, 170, 186, 210, 213, 217, 238, 255, 310, 355, 357, 426, 434, 465, 497, 510, 527, 595, 651, 710, 714, 930, 994, 1054, 1065, 1085, 1190, 1207, 1302, 1491, 1581, 1785, 2130, 2170, 2201, 2414, 2485, 2635, 2982, 3162, 3255, 3570, 3621, 3689, 4402, 4970, 5270, 6035, 6510, 6603, 7242, 7378, 7455, 7905, 8449, 11005, 11067, 12070, 13206, 14910, 15407, 15810, 16898, 18105, 18445, 22010, 22134, 25347, 30814, 33015, 36210, 36890, 37417, 42245, 46221, 50694, 55335, 66030, 74834, 77035, 84490, 92442, 110670, 112251, 126735, 154070, 187085, 224502, 231105, 253470, 261919, 374170, 462210, 523838, 561255, 785757, 1122510, 1309595, 1571514, 2619190, 3928785, 7857570]

約数ペア:

[(1, 7857570), (2, 3928785), (3, 2619190), (5, 1571514), (6, 1309595), (7, 1122510), (10, 785757), (14, 561255), (15, 523838), (17, 462210), (21, 374170), (30, 261919), (31, 253470), (34, 231105), (35, 224502), (42, 187085), (51, 154070), (62, 126735), (70, 112251), (71, 110670), (85, 92442), (93, 84490), (102, 77035), (105, 74834), (119, 66030), (142, 55335), (155, 50694), (170, 46221), (186, 42245), (210, 37417), (213, 36890), (217, 36210), (238, 33015), (255, 30814), (310, 25347), (355, 22134), (357, 22010), (426, 18445), (434, 18105), (465, 16898), (497, 15810), (510, 15407), (527, 14910), (595, 13206), (651, 12070), (710, 11067), (714, 11005), (930, 8449), (994, 7905), (1054, 7455), (1065, 7378), (1085, 7242), (1190, 6603), (1207, 6510), (1302, 6035), (1491, 5270), (1581, 4970), (1785, 4402), (2130, 3689), (2170, 3621), (2201, 3570), (2414, 3255), (2485, 3162), (2635, 2982)]