31480920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 106329600

約数和(自身を除く): 74848680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 103, 108, 120, 135, 180, 206, 216, 270, 283, 309, 360, 412, 515, 540, 566, 618, 824, 849, 927, 1030, 1080, 1132, 1236, 1415, 1545, 1698, 1854, 2060, 2264, 2472, 2547, 2781, 2830, 3090, 3396, 3708, 4120, 4245, 4635, 5094, 5562, 5660, 6180, 6792, 7416, 7641, 8490, 9270, 10188, 11124, 11320, 12360, 12735, 13905, 15282, 16980, 18540, 20376, 22248, 25470, 27810, 29149, 30564, 33960, 37080, 38205, 50940, 55620, 58298, 61128, 76410, 87447, 101880, 111240, 116596, 145745, 152820, 174894, 233192, 262341, 291490, 305640, 349788, 437235, 524682, 582980, 699576, 787023, 874470, 1049364, 1165960, 1311705, 1574046, 1748940, 2098728, 2623410, 3148092, 3497880, 3935115, 5246820, 6296184, 7870230, 10493640, 15740460, 31480920]

約数ペア:

[(1, 31480920), (2, 15740460), (3, 10493640), (4, 7870230), (5, 6296184), (6, 5246820), (8, 3935115), (9, 3497880), (10, 3148092), (12, 2623410), (15, 2098728), (18, 1748940), (20, 1574046), (24, 1311705), (27, 1165960), (30, 1049364), (36, 874470), (40, 787023), (45, 699576), (54, 582980), (60, 524682), (72, 437235), (90, 349788), (103, 305640), (108, 291490), (120, 262341), (135, 233192), (180, 174894), (206, 152820), (216, 145745), (270, 116596), (283, 111240), (309, 101880), (360, 87447), (412, 76410), (515, 61128), (540, 58298), (566, 55620), (618, 50940), (824, 38205), (849, 37080), (927, 33960), (1030, 30564), (1080, 29149), (1132, 27810), (1236, 25470), (1415, 22248), (1545, 20376), (1698, 18540), (1854, 16980), (2060, 15282), (2264, 13905), (2472, 12735), (2547, 12360), (2781, 11320), (2830, 11124), (3090, 10188), (3396, 9270), (3708, 8490), (4120, 7641), (4245, 7416), (4635, 6792), (5094, 6180), (5562, 5660)]