120712480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 337410360

約数和(自身を除く): 216697880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 160, 173, 178, 196, 224, 245, 280, 346, 356, 392, 445, 490, 560, 623, 692, 712, 784, 865, 890, 980, 1120, 1211, 1246, 1384, 1424, 1568, 1730, 1780, 1960, 2422, 2492, 2768, 2848, 3115, 3460, 3560, 3920, 4361, 4844, 4984, 5536, 6055, 6230, 6920, 7120, 7840, 8477, 8722, 9688, 9968, 12110, 12460, 13840, 14240, 15397, 16954, 17444, 19376, 19936, 21805, 24220, 24920, 27680, 30794, 33908, 34888, 38752, 42385, 43610, 48440, 49840, 61588, 67816, 69776, 76985, 84770, 87220, 96880, 99680, 107779, 123176, 135632, 139552, 153970, 169540, 174440, 193760, 215558, 246352, 271264, 307940, 339080, 348880, 431116, 492704, 538895, 615880, 678160, 697760, 754453, 862232, 1077790, 1231760, 1356320, 1508906, 1724464, 2155580, 2463520, 3017812, 3448928, 3772265, 4311160, 6035624, 7544530, 8622320, 12071248, 15089060, 17244640, 24142496, 30178120, 60356240, 120712480]

約数ペア:

[(1, 120712480), (2, 60356240), (4, 30178120), (5, 24142496), (7, 17244640), (8, 15089060), (10, 12071248), (14, 8622320), (16, 7544530), (20, 6035624), (28, 4311160), (32, 3772265), (35, 3448928), (40, 3017812), (49, 2463520), (56, 2155580), (70, 1724464), (80, 1508906), (89, 1356320), (98, 1231760), (112, 1077790), (140, 862232), (160, 754453), (173, 697760), (178, 678160), (196, 615880), (224, 538895), (245, 492704), (280, 431116), (346, 348880), (356, 339080), (392, 307940), (445, 271264), (490, 246352), (560, 215558), (623, 193760), (692, 174440), (712, 169540), (784, 153970), (865, 139552), (890, 135632), (980, 123176), (1120, 107779), (1211, 99680), (1246, 96880), (1384, 87220), (1424, 84770), (1568, 76985), (1730, 69776), (1780, 67816), (1960, 61588), (2422, 49840), (2492, 48440), (2768, 43610), (2848, 42385), (3115, 38752), (3460, 34888), (3560, 33908), (3920, 30794), (4361, 27680), (4844, 24920), (4984, 24220), (5536, 21805), (6055, 19936), (6230, 19376), (6920, 17444), (7120, 16954), (7840, 15397), (8477, 14240), (8722, 13840), (9688, 12460), (9968, 12110)]