263606640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3279

約数の個数: 160

約数和(自身を含む): 920512512

約数和(自身を除く): 656905872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 2046, 2480, 2640, 2728, 3221, 3410, 3720, 4092, 5115, 5456, 6442, 6820, 7440, 8184, 9663, 10230, 12884, 13640, 16105, 16368, 19326, 20460, 25768, 27280, 32210, 35431, 38652, 40920, 48315, 51536, 64420, 70862, 77304, 81840, 96630, 99851, 106293, 128840, 141724, 154608, 177155, 193260, 199702, 212586, 257680, 283448, 299553, 354310, 386520, 399404, 425172, 499255, 531465, 566896, 599106, 708620, 773040, 798808, 850344, 998510, 1062930, 1098361, 1198212, 1417240, 1497765, 1597616, 1700688, 1997020, 2125860, 2196722, 2396424, 2834480, 2995530, 3295083, 3994040, 4251720, 4393444, 4792848, 5491805, 5991060, 6590166, 7988080, 8503440, 8786888, 10983610, 11982120, 13180332, 16475415, 17573776, 21967220, 23964240, 26360664, 32950830, 43934440, 52721328, 65901660, 87868880, 131803320, 263606640]

約数ペア:

[(1, 263606640), (2, 131803320), (3, 87868880), (4, 65901660), (5, 52721328), (6, 43934440), (8, 32950830), (10, 26360664), (11, 23964240), (12, 21967220), (15, 17573776), (16, 16475415), (20, 13180332), (22, 11982120), (24, 10983610), (30, 8786888), (31, 8503440), (33, 7988080), (40, 6590166), (44, 5991060), (48, 5491805), (55, 4792848), (60, 4393444), (62, 4251720), (66, 3994040), (80, 3295083), (88, 2995530), (93, 2834480), (110, 2396424), (120, 2196722), (124, 2125860), (132, 1997020), (155, 1700688), (165, 1597616), (176, 1497765), (186, 1417240), (220, 1198212), (240, 1098361), (248, 1062930), (264, 998510), (310, 850344), (330, 798808), (341, 773040), (372, 708620), (440, 599106), (465, 566896), (496, 531465), (528, 499255), (620, 425172), (660, 399404), (682, 386520), (744, 354310), (880, 299553), (930, 283448), (1023, 257680), (1240, 212586), (1320, 199702), (1364, 193260), (1488, 177155), (1705, 154608), (1860, 141724), (2046, 128840), (2480, 106293), (2640, 99851), (2728, 96630), (3221, 81840), (3410, 77304), (3720, 70862), (4092, 64420), (5115, 51536), (5456, 48315), (6442, 40920), (6820, 38652), (7440, 35431), (8184, 32210), (9663, 27280), (10230, 25768), (12884, 20460), (13640, 19326), (16105, 16368)]