2100560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 120

約数和(自身を含む): 6332928

約数和(自身を除く): 4232368

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 140, 154, 155, 176, 217, 220, 242, 248, 280, 308, 310, 341, 385, 434, 440, 484, 496, 560, 605, 616, 620, 682, 770, 847, 868, 880, 968, 1085, 1210, 1232, 1240, 1364, 1540, 1694, 1705, 1736, 1936, 2170, 2387, 2420, 2480, 2728, 3080, 3388, 3410, 3472, 3751, 4235, 4340, 4774, 4840, 5456, 6160, 6776, 6820, 7502, 8470, 8680, 9548, 9680, 11935, 13552, 13640, 15004, 16940, 17360, 18755, 19096, 23870, 26257, 27280, 30008, 33880, 37510, 38192, 47740, 52514, 60016, 67760, 75020, 95480, 105028, 131285, 150040, 190960, 210056, 262570, 300080, 420112, 525140, 1050280, 2100560]

約数ペア:

[(1, 2100560), (2, 1050280), (4, 525140), (5, 420112), (7, 300080), (8, 262570), (10, 210056), (11, 190960), (14, 150040), (16, 131285), (20, 105028), (22, 95480), (28, 75020), (31, 67760), (35, 60016), (40, 52514), (44, 47740), (55, 38192), (56, 37510), (62, 33880), (70, 30008), (77, 27280), (80, 26257), (88, 23870), (110, 19096), (112, 18755), (121, 17360), (124, 16940), (140, 15004), (154, 13640), (155, 13552), (176, 11935), (217, 9680), (220, 9548), (242, 8680), (248, 8470), (280, 7502), (308, 6820), (310, 6776), (341, 6160), (385, 5456), (434, 4840), (440, 4774), (484, 4340), (496, 4235), (560, 3751), (605, 3472), (616, 3410), (620, 3388), (682, 3080), (770, 2728), (847, 2480), (868, 2420), (880, 2387), (968, 2170), (1085, 1936), (1210, 1736), (1232, 1705), (1240, 1694), (1364, 1540)]