215628560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12421}}^1$

素因数の和:12472

約数の個数: 80

約数和(自身を含む): 591485952

約数和(自身を除く): 375857392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12421, 17360, 24842, 49684, 62105, 86947, 99368, 124210, 173894, 198736, 248420, 347788, 385051, 434735, 496840, 695576, 770102, 869470, 993680, 1391152, 1540204, 1738940, 1925255, 2695357, 3080408, 3477880, 3850510, 5390714, 6160816, 6955760, 7701020, 10781428, 13476785, 15402040, 21562856, 26953570, 30804080, 43125712, 53907140, 107814280, 215628560]

約数ペア:

[(1, 215628560), (2, 107814280), (4, 53907140), (5, 43125712), (7, 30804080), (8, 26953570), (10, 21562856), (14, 15402040), (16, 13476785), (20, 10781428), (28, 7701020), (31, 6955760), (35, 6160816), (40, 5390714), (56, 3850510), (62, 3477880), (70, 3080408), (80, 2695357), (112, 1925255), (124, 1738940), (140, 1540204), (155, 1391152), (217, 993680), (248, 869470), (280, 770102), (310, 695576), (434, 496840), (496, 434735), (560, 385051), (620, 347788), (868, 248420), (1085, 198736), (1240, 173894), (1736, 124210), (2170, 99368), (2480, 86947), (3472, 62105), (4340, 49684), (8680, 24842), (12421, 17360)]