647485860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1453}}^1$

素因数の和:2533

約数の個数: 96

約数和(自身を含む): 2075334912

約数和(自身を除く): 1427849052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1061, 1453, 2122, 2906, 3183, 4244, 4359, 5305, 5812, 6366, 7265, 7427, 8718, 10171, 10610, 12732, 14530, 14854, 15915, 17436, 20342, 21220, 21795, 22281, 29060, 29708, 30513, 31830, 37135, 40684, 43590, 44562, 50855, 61026, 63660, 74270, 87180, 89124, 101710, 111405, 122052, 148540, 152565, 203420, 222810, 305130, 445620, 610260, 1541633, 3083266, 4624899, 6166532, 7708165, 9249798, 10791431, 15416330, 18499596, 21582862, 23124495, 30832660, 32374293, 43165724, 46248990, 53957155, 64748586, 92497980, 107914310, 129497172, 161871465, 215828620, 323742930, 647485860]

約数ペア:

[(1, 647485860), (2, 323742930), (3, 215828620), (4, 161871465), (5, 129497172), (6, 107914310), (7, 92497980), (10, 64748586), (12, 53957155), (14, 46248990), (15, 43165724), (20, 32374293), (21, 30832660), (28, 23124495), (30, 21582862), (35, 18499596), (42, 15416330), (60, 10791431), (70, 9249798), (84, 7708165), (105, 6166532), (140, 4624899), (210, 3083266), (420, 1541633), (1061, 610260), (1453, 445620), (2122, 305130), (2906, 222810), (3183, 203420), (4244, 152565), (4359, 148540), (5305, 122052), (5812, 111405), (6366, 101710), (7265, 89124), (7427, 87180), (8718, 74270), (10171, 63660), (10610, 61026), (12732, 50855), (14530, 44562), (14854, 43590), (15915, 40684), (17436, 37135), (20342, 31830), (21220, 30513), (21795, 29708), (22281, 29060)]