208701240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:957

約数の個数: 128

約数和(自身を含む): 687052800

約数和(自身を除く): 478351560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 223, 264, 330, 440, 446, 660, 669, 709, 892, 1115, 1320, 1338, 1418, 1784, 2127, 2230, 2453, 2676, 2836, 3345, 3545, 4254, 4460, 4906, 5352, 5672, 6690, 7090, 7359, 7799, 8508, 8920, 9812, 10635, 12265, 13380, 14180, 14718, 15598, 17016, 19624, 21270, 23397, 24530, 26760, 28360, 29436, 31196, 36795, 38995, 42540, 46794, 49060, 58872, 62392, 73590, 77990, 85080, 93588, 98120, 116985, 147180, 155980, 158107, 187176, 233970, 294360, 311960, 316214, 467940, 474321, 632428, 790535, 935880, 948642, 1264856, 1581070, 1739177, 1897284, 2371605, 3162140, 3478354, 3794568, 4743210, 5217531, 6324280, 6956708, 8695885, 9486420, 10435062, 13913416, 17391770, 18972840, 20870124, 26087655, 34783540, 41740248, 52175310, 69567080, 104350620, 208701240]

約数ペア:

[(1, 208701240), (2, 104350620), (3, 69567080), (4, 52175310), (5, 41740248), (6, 34783540), (8, 26087655), (10, 20870124), (11, 18972840), (12, 17391770), (15, 13913416), (20, 10435062), (22, 9486420), (24, 8695885), (30, 6956708), (33, 6324280), (40, 5217531), (44, 4743210), (55, 3794568), (60, 3478354), (66, 3162140), (88, 2371605), (110, 1897284), (120, 1739177), (132, 1581070), (165, 1264856), (220, 948642), (223, 935880), (264, 790535), (330, 632428), (440, 474321), (446, 467940), (660, 316214), (669, 311960), (709, 294360), (892, 233970), (1115, 187176), (1320, 158107), (1338, 155980), (1418, 147180), (1784, 116985), (2127, 98120), (2230, 93588), (2453, 85080), (2676, 77990), (2836, 73590), (3345, 62392), (3545, 58872), (4254, 49060), (4460, 46794), (4906, 42540), (5352, 38995), (5672, 36795), (6690, 31196), (7090, 29436), (7359, 28360), (7799, 26760), (8508, 24530), (8920, 23397), (9812, 21270), (10635, 19624), (12265, 17016), (13380, 15598), (14180, 14718)]