1564427280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{501419}}^1$

素因数の和:501448

約数の個数: 80

約数和(自身を含む): 5222790720

約数和(自身を除く): 3658363440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 501419, 1002838, 1504257, 2005676, 2507095, 3008514, 4011352, 5014190, 6017028, 6518447, 7521285, 8022704, 10028380, 12034056, 13036894, 15042570, 19555341, 20056760, 24068112, 26073788, 30085140, 32592235, 39110682, 40113520, 52147576, 60170280, 65184470, 78221364, 97776705, 104295152, 120340560, 130368940, 156442728, 195553410, 260737880, 312885456, 391106820, 521475760, 782213640, 1564427280]

約数ペア:

[(1, 1564427280), (2, 782213640), (3, 521475760), (4, 391106820), (5, 312885456), (6, 260737880), (8, 195553410), (10, 156442728), (12, 130368940), (13, 120340560), (15, 104295152), (16, 97776705), (20, 78221364), (24, 65184470), (26, 60170280), (30, 52147576), (39, 40113520), (40, 39110682), (48, 32592235), (52, 30085140), (60, 26073788), (65, 24068112), (78, 20056760), (80, 19555341), (104, 15042570), (120, 13036894), (130, 12034056), (156, 10028380), (195, 8022704), (208, 7521285), (240, 6518447), (260, 6017028), (312, 5014190), (390, 4011352), (520, 3008514), (624, 2507095), (780, 2005676), (1040, 1504257), (1560, 1002838), (3120, 501419)]