138891720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2515

約数の個数: 128

約数和(自身を含む): 465315840

約数和(自身を除く): 326424120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2447, 2580, 2838, 3784, 4730, 4894, 5160, 5676, 7095, 7341, 9460, 9788, 11352, 12235, 14190, 14682, 18920, 19576, 24470, 26917, 28380, 29364, 36705, 48940, 53834, 56760, 58728, 73410, 80751, 97880, 105221, 107668, 134585, 146820, 161502, 210442, 215336, 269170, 293640, 315663, 323004, 403755, 420884, 526105, 538340, 631326, 646008, 807510, 841768, 1052210, 1076680, 1157431, 1262652, 1578315, 1615020, 2104420, 2314862, 2525304, 3156630, 3230040, 3472293, 4208840, 4629724, 5787155, 6313260, 6944586, 9259448, 11574310, 12626520, 13889172, 17361465, 23148620, 27778344, 34722930, 46297240, 69445860, 138891720]

約数ペア:

[(1, 138891720), (2, 69445860), (3, 46297240), (4, 34722930), (5, 27778344), (6, 23148620), (8, 17361465), (10, 13889172), (11, 12626520), (12, 11574310), (15, 9259448), (20, 6944586), (22, 6313260), (24, 5787155), (30, 4629724), (33, 4208840), (40, 3472293), (43, 3230040), (44, 3156630), (55, 2525304), (60, 2314862), (66, 2104420), (86, 1615020), (88, 1578315), (110, 1262652), (120, 1157431), (129, 1076680), (132, 1052210), (165, 841768), (172, 807510), (215, 646008), (220, 631326), (258, 538340), (264, 526105), (330, 420884), (344, 403755), (430, 323004), (440, 315663), (473, 293640), (516, 269170), (645, 215336), (660, 210442), (860, 161502), (946, 146820), (1032, 134585), (1290, 107668), (1320, 105221), (1419, 97880), (1720, 80751), (1892, 73410), (2365, 58728), (2447, 56760), (2580, 53834), (2838, 48940), (3784, 36705), (4730, 29364), (4894, 28380), (5160, 26917), (5676, 24470), (7095, 19576), (7341, 18920), (9460, 14682), (9788, 14190), (11352, 12235)]