3211120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 8436960

約数和(自身を除く): 5225840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 89, 110, 164, 176, 178, 205, 220, 328, 356, 410, 440, 445, 451, 656, 712, 820, 880, 890, 902, 979, 1424, 1640, 1780, 1804, 1958, 2255, 3280, 3560, 3608, 3649, 3916, 4510, 4895, 7120, 7216, 7298, 7832, 9020, 9790, 14596, 15664, 18040, 18245, 19580, 29192, 36080, 36490, 39160, 40139, 58384, 72980, 78320, 80278, 145960, 160556, 200695, 291920, 321112, 401390, 642224, 802780, 1605560, 3211120]

約数ペア:

[(1, 3211120), (2, 1605560), (4, 802780), (5, 642224), (8, 401390), (10, 321112), (11, 291920), (16, 200695), (20, 160556), (22, 145960), (40, 80278), (41, 78320), (44, 72980), (55, 58384), (80, 40139), (82, 39160), (88, 36490), (89, 36080), (110, 29192), (164, 19580), (176, 18245), (178, 18040), (205, 15664), (220, 14596), (328, 9790), (356, 9020), (410, 7832), (440, 7298), (445, 7216), (451, 7120), (656, 4895), (712, 4510), (820, 3916), (880, 3649), (890, 3608), (902, 3560), (979, 3280), (1424, 2255), (1640, 1958), (1780, 1804)]