30491580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3821}}^1$

素因数の和:3859

約数の個数: 96

約数和(自身を含む): 102735360

約数和(自身を除く): 72243780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3821, 3990, 7642, 7980, 11463, 15284, 19105, 22926, 26747, 38210, 45852, 53494, 57315, 72599, 76420, 80241, 106988, 114630, 133735, 145198, 160482, 217797, 229260, 267470, 290396, 320964, 362995, 401205, 435594, 508193, 534940, 725990, 802410, 871188, 1016386, 1088985, 1451980, 1524579, 1604820, 2032772, 2177970, 2540965, 3049158, 4355940, 5081930, 6098316, 7622895, 10163860, 15245790, 30491580]

約数ペア:

[(1, 30491580), (2, 15245790), (3, 10163860), (4, 7622895), (5, 6098316), (6, 5081930), (7, 4355940), (10, 3049158), (12, 2540965), (14, 2177970), (15, 2032772), (19, 1604820), (20, 1524579), (21, 1451980), (28, 1088985), (30, 1016386), (35, 871188), (38, 802410), (42, 725990), (57, 534940), (60, 508193), (70, 435594), (76, 401205), (84, 362995), (95, 320964), (105, 290396), (114, 267470), (133, 229260), (140, 217797), (190, 160482), (210, 145198), (228, 133735), (266, 114630), (285, 106988), (380, 80241), (399, 76420), (420, 72599), (532, 57315), (570, 53494), (665, 45852), (798, 38210), (1140, 26747), (1330, 22926), (1596, 19105), (1995, 15284), (2660, 11463), (3821, 7980), (3990, 7642)]