1556988440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{292667}}^1$

素因数の和:292704

約数の個数: 64

約数和(自身を含む): 4214419200

約数和(自身を除く): 2657430760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 292667, 585334, 1170668, 1463335, 2048669, 2341336, 2926670, 4097338, 5560673, 5853340, 8194676, 10243345, 11121346, 11706680, 16389352, 20486690, 22242692, 27803365, 38924711, 40973380, 44485384, 55606730, 77849422, 81946760, 111213460, 155698844, 194623555, 222426920, 311397688, 389247110, 778494220, 1556988440]

約数ペア:

[(1, 1556988440), (2, 778494220), (4, 389247110), (5, 311397688), (7, 222426920), (8, 194623555), (10, 155698844), (14, 111213460), (19, 81946760), (20, 77849422), (28, 55606730), (35, 44485384), (38, 40973380), (40, 38924711), (56, 27803365), (70, 22242692), (76, 20486690), (95, 16389352), (133, 11706680), (140, 11121346), (152, 10243345), (190, 8194676), (266, 5853340), (280, 5560673), (380, 4097338), (532, 2926670), (665, 2341336), (760, 2048669), (1064, 1463335), (1330, 1170668), (2660, 585334), (5320, 292667)]