1616571880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16931}}^1$

素因数の和:16991

約数の個数: 128

約数和(自身を含む): 4681359360

約数和(自身を除く): 3064787480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2728, 3080, 3410, 4340, 4774, 6820, 8680, 9548, 11935, 13640, 16931, 19096, 23870, 33862, 47740, 67724, 84655, 95480, 118517, 135448, 169310, 186241, 237034, 338620, 372482, 474068, 524861, 592585, 677240, 744964, 931205, 948136, 1049722, 1185170, 1303687, 1489928, 1862410, 2099444, 2370340, 2607374, 2624305, 3674027, 3724820, 4198888, 4740680, 5214748, 5248610, 5773471, 6518435, 7348054, 7449640, 10429496, 10497220, 11546942, 13036870, 14696108, 18370135, 20994440, 23093884, 26073740, 28867355, 29392216, 36740270, 40414297, 46187768, 52147480, 57734710, 73480540, 80828594, 115469420, 146961080, 161657188, 202071485, 230938840, 323314376, 404142970, 808285940, 1616571880]

約数ペア:

[(1, 1616571880), (2, 808285940), (4, 404142970), (5, 323314376), (7, 230938840), (8, 202071485), (10, 161657188), (11, 146961080), (14, 115469420), (20, 80828594), (22, 73480540), (28, 57734710), (31, 52147480), (35, 46187768), (40, 40414297), (44, 36740270), (55, 29392216), (56, 28867355), (62, 26073740), (70, 23093884), (77, 20994440), (88, 18370135), (110, 14696108), (124, 13036870), (140, 11546942), (154, 10497220), (155, 10429496), (217, 7449640), (220, 7348054), (248, 6518435), (280, 5773471), (308, 5248610), (310, 5214748), (341, 4740680), (385, 4198888), (434, 3724820), (440, 3674027), (616, 2624305), (620, 2607374), (682, 2370340), (770, 2099444), (868, 1862410), (1085, 1489928), (1240, 1303687), (1364, 1185170), (1540, 1049722), (1705, 948136), (1736, 931205), (2170, 744964), (2387, 677240), (2728, 592585), (3080, 524861), (3410, 474068), (4340, 372482), (4774, 338620), (6820, 237034), (8680, 186241), (9548, 169310), (11935, 135448), (13640, 118517), (16931, 95480), (19096, 84655), (23870, 67724), (33862, 47740)]