1290480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 4225920

約数和(自身を除く): 2935440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 283, 285, 304, 380, 456, 566, 570, 760, 849, 912, 1132, 1140, 1415, 1520, 1698, 2264, 2280, 2830, 3396, 4245, 4528, 4560, 5377, 5660, 6792, 8490, 10754, 11320, 13584, 16131, 16980, 21508, 22640, 26885, 32262, 33960, 43016, 53770, 64524, 67920, 80655, 86032, 107540, 129048, 161310, 215080, 258096, 322620, 430160, 645240, 1290480]

約数ペア:

[(1, 1290480), (2, 645240), (3, 430160), (4, 322620), (5, 258096), (6, 215080), (8, 161310), (10, 129048), (12, 107540), (15, 86032), (16, 80655), (19, 67920), (20, 64524), (24, 53770), (30, 43016), (38, 33960), (40, 32262), (48, 26885), (57, 22640), (60, 21508), (76, 16980), (80, 16131), (95, 13584), (114, 11320), (120, 10754), (152, 8490), (190, 6792), (228, 5660), (240, 5377), (283, 4560), (285, 4528), (304, 4245), (380, 3396), (456, 2830), (566, 2280), (570, 2264), (760, 1698), (849, 1520), (912, 1415), (1132, 1140)]