420661560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{318683}}^1$

素因数の和:318708

約数の個数: 64

約数和(自身を含む): 1376714880

約数和(自身を除く): 956053320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 318683, 637366, 956049, 1274732, 1593415, 1912098, 2549464, 3186830, 3505513, 3824196, 4780245, 6373660, 7011026, 7648392, 9560490, 10516539, 12747320, 14022052, 17527565, 19120980, 21033078, 28044104, 35055130, 38241960, 42066156, 52582695, 70110260, 84132312, 105165390, 140220520, 210330780, 420661560]

約数ペア:

[(1, 420661560), (2, 210330780), (3, 140220520), (4, 105165390), (5, 84132312), (6, 70110260), (8, 52582695), (10, 42066156), (11, 38241960), (12, 35055130), (15, 28044104), (20, 21033078), (22, 19120980), (24, 17527565), (30, 14022052), (33, 12747320), (40, 10516539), (44, 9560490), (55, 7648392), (60, 7011026), (66, 6373660), (88, 4780245), (110, 3824196), (120, 3505513), (132, 3186830), (165, 2549464), (220, 1912098), (264, 1593415), (330, 1274732), (440, 956049), (660, 637366), (1320, 318683)]