31496040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{9721}}^1$

素因数の和:9744

約数の個数: 80

約数和(自身を含む): 105872580

約数和(自身を除く): 74376540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 9721, 19442, 29163, 38884, 48605, 58326, 77768, 87489, 97210, 116652, 145815, 174978, 194420, 233304, 262467, 291630, 349956, 388840, 437445, 524934, 583260, 699912, 787401, 874890, 1049868, 1166520, 1312335, 1574802, 1749780, 2099736, 2624670, 3149604, 3499560, 3937005, 5249340, 6299208, 7874010, 10498680, 15748020, 31496040]

約数ペア:

[(1, 31496040), (2, 15748020), (3, 10498680), (4, 7874010), (5, 6299208), (6, 5249340), (8, 3937005), (9, 3499560), (10, 3149604), (12, 2624670), (15, 2099736), (18, 1749780), (20, 1574802), (24, 1312335), (27, 1166520), (30, 1049868), (36, 874890), (40, 787401), (45, 699912), (54, 583260), (60, 524934), (72, 437445), (81, 388840), (90, 349956), (108, 291630), (120, 262467), (135, 233304), (162, 194420), (180, 174978), (216, 145815), (270, 116652), (324, 97210), (360, 87489), (405, 77768), (540, 58326), (648, 48605), (810, 38884), (1080, 29163), (1620, 19442), (3240, 9721)]