127798860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2600

約数の個数: 144

約数和(自身を含む): 440917344

約数和(自身を除く): 313118484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1666, 1785, 2380, 2499, 2557, 2940, 3332, 3570, 4165, 4998, 5114, 7140, 7671, 8330, 9996, 10228, 12495, 12785, 15342, 16660, 17899, 24990, 25570, 30684, 35798, 38355, 43469, 49980, 51140, 53697, 71596, 76710, 86938, 89495, 107394, 125293, 130407, 153420, 173876, 178990, 214788, 217345, 250586, 260814, 268485, 304283, 357980, 375879, 434690, 501172, 521628, 536970, 608566, 626465, 652035, 751758, 869380, 912849, 1073940, 1217132, 1252930, 1304070, 1503516, 1521415, 1825698, 1879395, 2129981, 2505860, 2608140, 3042830, 3651396, 3758790, 4259962, 4564245, 6085660, 6389943, 7517580, 8519924, 9128490, 10649905, 12779886, 18256980, 21299810, 25559772, 31949715, 42599620, 63899430, 127798860]

約数ペア:

[(1, 127798860), (2, 63899430), (3, 42599620), (4, 31949715), (5, 25559772), (6, 21299810), (7, 18256980), (10, 12779886), (12, 10649905), (14, 9128490), (15, 8519924), (17, 7517580), (20, 6389943), (21, 6085660), (28, 4564245), (30, 4259962), (34, 3758790), (35, 3651396), (42, 3042830), (49, 2608140), (51, 2505860), (60, 2129981), (68, 1879395), (70, 1825698), (84, 1521415), (85, 1503516), (98, 1304070), (102, 1252930), (105, 1217132), (119, 1073940), (140, 912849), (147, 869380), (170, 751758), (196, 652035), (204, 626465), (210, 608566), (238, 536970), (245, 521628), (255, 501172), (294, 434690), (340, 375879), (357, 357980), (420, 304283), (476, 268485), (490, 260814), (510, 250586), (588, 217345), (595, 214788), (714, 178990), (735, 173876), (833, 153420), (980, 130407), (1020, 125293), (1190, 107394), (1428, 89495), (1470, 86938), (1666, 76710), (1785, 71596), (2380, 53697), (2499, 51140), (2557, 49980), (2940, 43469), (3332, 38355), (3570, 35798), (4165, 30684), (4998, 25570), (5114, 24990), (7140, 17899), (7671, 16660), (8330, 15342), (9996, 12785), (10228, 12495)]