212745720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3997

約数の個数: 128

約数和(自身を含む): 713422080

約数和(自身を除く): 500676360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 615, 660, 820, 902, 984, 1230, 1320, 1353, 1640, 1804, 2255, 2460, 2706, 3608, 3931, 4510, 4920, 5412, 6765, 7862, 9020, 10824, 11793, 13530, 15724, 18040, 19655, 23586, 27060, 31448, 39310, 43241, 47172, 54120, 58965, 78620, 86482, 94344, 117930, 129723, 157240, 161171, 172964, 216205, 235860, 259446, 322342, 345928, 432410, 471720, 483513, 518892, 644684, 648615, 805855, 864820, 967026, 1037784, 1289368, 1297230, 1611710, 1729640, 1772881, 1934052, 2417565, 2594460, 3223420, 3545762, 3868104, 4835130, 5188920, 5318643, 6446840, 7091524, 8864405, 9670260, 10637286, 14183048, 17728810, 19340520, 21274572, 26593215, 35457620, 42549144, 53186430, 70915240, 106372860, 212745720]

約数ペア:

[(1, 212745720), (2, 106372860), (3, 70915240), (4, 53186430), (5, 42549144), (6, 35457620), (8, 26593215), (10, 21274572), (11, 19340520), (12, 17728810), (15, 14183048), (20, 10637286), (22, 9670260), (24, 8864405), (30, 7091524), (33, 6446840), (40, 5318643), (41, 5188920), (44, 4835130), (55, 3868104), (60, 3545762), (66, 3223420), (82, 2594460), (88, 2417565), (110, 1934052), (120, 1772881), (123, 1729640), (132, 1611710), (164, 1297230), (165, 1289368), (205, 1037784), (220, 967026), (246, 864820), (264, 805855), (328, 648615), (330, 644684), (410, 518892), (440, 483513), (451, 471720), (492, 432410), (615, 345928), (660, 322342), (820, 259446), (902, 235860), (984, 216205), (1230, 172964), (1320, 161171), (1353, 157240), (1640, 129723), (1804, 117930), (2255, 94344), (2460, 86482), (2706, 78620), (3608, 58965), (3931, 54120), (4510, 47172), (4920, 43241), (5412, 39310), (6765, 31448), (7862, 27060), (9020, 23586), (10824, 19655), (11793, 18040), (13530, 15724)]