2220240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2$

素因数の和:85

約数の個数: 120

約数和(自身を含む): 7776288

約数和(自身を除く): 5556048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 33, 40, 44, 48, 55, 58, 60, 66, 80, 87, 88, 110, 116, 120, 132, 145, 165, 174, 176, 220, 232, 240, 264, 290, 319, 330, 348, 435, 440, 464, 528, 580, 638, 660, 696, 841, 870, 880, 957, 1160, 1276, 1320, 1392, 1595, 1682, 1740, 1914, 2320, 2523, 2552, 2640, 3190, 3364, 3480, 3828, 4205, 4785, 5046, 5104, 6380, 6728, 6960, 7656, 8410, 9251, 9570, 10092, 12615, 12760, 13456, 15312, 16820, 18502, 19140, 20184, 25230, 25520, 27753, 33640, 37004, 38280, 40368, 46255, 50460, 55506, 67280, 74008, 76560, 92510, 100920, 111012, 138765, 148016, 185020, 201840, 222024, 277530, 370040, 444048, 555060, 740080, 1110120, 2220240]

約数ペア:

[(1, 2220240), (2, 1110120), (3, 740080), (4, 555060), (5, 444048), (6, 370040), (8, 277530), (10, 222024), (11, 201840), (12, 185020), (15, 148016), (16, 138765), (20, 111012), (22, 100920), (24, 92510), (29, 76560), (30, 74008), (33, 67280), (40, 55506), (44, 50460), (48, 46255), (55, 40368), (58, 38280), (60, 37004), (66, 33640), (80, 27753), (87, 25520), (88, 25230), (110, 20184), (116, 19140), (120, 18502), (132, 16820), (145, 15312), (165, 13456), (174, 12760), (176, 12615), (220, 10092), (232, 9570), (240, 9251), (264, 8410), (290, 7656), (319, 6960), (330, 6728), (348, 6380), (435, 5104), (440, 5046), (464, 4785), (528, 4205), (580, 3828), (638, 3480), (660, 3364), (696, 3190), (841, 2640), (870, 2552), (880, 2523), (957, 2320), (1160, 1914), (1276, 1740), (1320, 1682), (1392, 1595)]