7924140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 29003520

約数和(自身を除く): 21079380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 331, 342, 380, 399, 420, 532, 570, 630, 662, 665, 684, 798, 855, 993, 1140, 1197, 1260, 1324, 1330, 1596, 1655, 1710, 1986, 1995, 2317, 2394, 2660, 2979, 3310, 3420, 3972, 3990, 4634, 4788, 4965, 5958, 5985, 6289, 6620, 6951, 7980, 9268, 9930, 11585, 11916, 11970, 12578, 13902, 14895, 18867, 19860, 20853, 23170, 23940, 25156, 27804, 29790, 31445, 34755, 37734, 41706, 44023, 46340, 56601, 59580, 62890, 69510, 75468, 83412, 88046, 94335, 104265, 113202, 125780, 132069, 139020, 176092, 188670, 208530, 220115, 226404, 264138, 283005, 377340, 396207, 417060, 440230, 528276, 566010, 660345, 792414, 880460, 1132020, 1320690, 1584828, 1981035, 2641380, 3962070, 7924140]

約数ペア:

[(1, 7924140), (2, 3962070), (3, 2641380), (4, 1981035), (5, 1584828), (6, 1320690), (7, 1132020), (9, 880460), (10, 792414), (12, 660345), (14, 566010), (15, 528276), (18, 440230), (19, 417060), (20, 396207), (21, 377340), (28, 283005), (30, 264138), (35, 226404), (36, 220115), (38, 208530), (42, 188670), (45, 176092), (57, 139020), (60, 132069), (63, 125780), (70, 113202), (76, 104265), (84, 94335), (90, 88046), (95, 83412), (105, 75468), (114, 69510), (126, 62890), (133, 59580), (140, 56601), (171, 46340), (180, 44023), (190, 41706), (210, 37734), (228, 34755), (252, 31445), (266, 29790), (285, 27804), (315, 25156), (331, 23940), (342, 23170), (380, 20853), (399, 19860), (420, 18867), (532, 14895), (570, 13902), (630, 12578), (662, 11970), (665, 11916), (684, 11585), (798, 9930), (855, 9268), (993, 7980), (1140, 6951), (1197, 6620), (1260, 6289), (1324, 5985), (1330, 5958), (1596, 4965), (1655, 4788), (1710, 4634), (1986, 3990), (1995, 3972), (2317, 3420), (2394, 3310), (2660, 2979)]