7125720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 25920000

約数和(自身を除く): 18794280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 499, 510, 595, 680, 714, 840, 952, 998, 1020, 1190, 1428, 1497, 1785, 1996, 2040, 2380, 2495, 2856, 2994, 3493, 3570, 3992, 4760, 4990, 5988, 6986, 7140, 7485, 8483, 9980, 10479, 11976, 13972, 14280, 14970, 16966, 17465, 19960, 20958, 25449, 27944, 29940, 33932, 34930, 41916, 42415, 50898, 52395, 59381, 59880, 67864, 69860, 83832, 84830, 101796, 104790, 118762, 127245, 139720, 169660, 178143, 203592, 209580, 237524, 254490, 296905, 339320, 356286, 419160, 475048, 508980, 593810, 712572, 890715, 1017960, 1187620, 1425144, 1781430, 2375240, 3562860, 7125720]

約数ペア:

[(1, 7125720), (2, 3562860), (3, 2375240), (4, 1781430), (5, 1425144), (6, 1187620), (7, 1017960), (8, 890715), (10, 712572), (12, 593810), (14, 508980), (15, 475048), (17, 419160), (20, 356286), (21, 339320), (24, 296905), (28, 254490), (30, 237524), (34, 209580), (35, 203592), (40, 178143), (42, 169660), (51, 139720), (56, 127245), (60, 118762), (68, 104790), (70, 101796), (84, 84830), (85, 83832), (102, 69860), (105, 67864), (119, 59880), (120, 59381), (136, 52395), (140, 50898), (168, 42415), (170, 41916), (204, 34930), (210, 33932), (238, 29940), (255, 27944), (280, 25449), (340, 20958), (357, 19960), (408, 17465), (420, 16966), (476, 14970), (499, 14280), (510, 13972), (595, 11976), (680, 10479), (714, 9980), (840, 8483), (952, 7485), (998, 7140), (1020, 6986), (1190, 5988), (1428, 4990), (1497, 4760), (1785, 3992), (1996, 3570), (2040, 3493), (2380, 2994), (2495, 2856)]