64683920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:625

約数の個数: 120

約数和(自身を含む): 181294200

約数和(自身を除く): 116610280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 569, 580, 784, 812, 980, 1015, 1138, 1160, 1421, 1624, 1960, 2030, 2276, 2320, 2842, 2845, 3248, 3920, 3983, 4060, 4552, 5684, 5690, 7105, 7966, 8120, 9104, 11368, 11380, 14210, 15932, 16240, 16501, 19915, 22736, 22760, 27881, 28420, 31864, 33002, 39830, 45520, 55762, 56840, 63728, 66004, 79660, 82505, 111524, 113680, 115507, 132008, 139405, 159320, 165010, 223048, 231014, 264016, 278810, 318640, 330020, 446096, 462028, 557620, 577535, 660040, 808549, 924056, 1115240, 1155070, 1320080, 1617098, 1848112, 2230480, 2310140, 3234196, 4042745, 4620280, 6468392, 8085490, 9240560, 12936784, 16170980, 32341960, 64683920]

約数ペア:

[(1, 64683920), (2, 32341960), (4, 16170980), (5, 12936784), (7, 9240560), (8, 8085490), (10, 6468392), (14, 4620280), (16, 4042745), (20, 3234196), (28, 2310140), (29, 2230480), (35, 1848112), (40, 1617098), (49, 1320080), (56, 1155070), (58, 1115240), (70, 924056), (80, 808549), (98, 660040), (112, 577535), (116, 557620), (140, 462028), (145, 446096), (196, 330020), (203, 318640), (232, 278810), (245, 264016), (280, 231014), (290, 223048), (392, 165010), (406, 159320), (464, 139405), (490, 132008), (560, 115507), (569, 113680), (580, 111524), (784, 82505), (812, 79660), (980, 66004), (1015, 63728), (1138, 56840), (1160, 55762), (1421, 45520), (1624, 39830), (1960, 33002), (2030, 31864), (2276, 28420), (2320, 27881), (2842, 22760), (2845, 22736), (3248, 19915), (3920, 16501), (3983, 16240), (4060, 15932), (4552, 14210), (5684, 11380), (5690, 11368), (7105, 9104), (7966, 8120)]