159797560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 258240200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 431, 460, 520, 598, 620, 713, 806, 862, 920, 1196, 1240, 1426, 1495, 1612, 1724, 2015, 2155, 2392, 2852, 2990, 3224, 3448, 3565, 4030, 4310, 5603, 5704, 5980, 7130, 8060, 8620, 9269, 9913, 11206, 11960, 13361, 14260, 16120, 17240, 18538, 19826, 22412, 26722, 28015, 28520, 37076, 39652, 44824, 46345, 49565, 53444, 56030, 66805, 74152, 79304, 92690, 99130, 106888, 112060, 128869, 133610, 173693, 185380, 198260, 224120, 257738, 267220, 307303, 347386, 370760, 396520, 515476, 534440, 614606, 644345, 694772, 868465, 1030952, 1229212, 1288690, 1389544, 1536515, 1736930, 2458424, 2577380, 3073030, 3473860, 3994939, 5154760, 6146060, 6947720, 7989878, 12292120, 15979756, 19974695, 31959512, 39949390, 79898780, 159797560]

約数ペア:

[(1, 159797560), (2, 79898780), (4, 39949390), (5, 31959512), (8, 19974695), (10, 15979756), (13, 12292120), (20, 7989878), (23, 6947720), (26, 6146060), (31, 5154760), (40, 3994939), (46, 3473860), (52, 3073030), (62, 2577380), (65, 2458424), (92, 1736930), (104, 1536515), (115, 1389544), (124, 1288690), (130, 1229212), (155, 1030952), (184, 868465), (230, 694772), (248, 644345), (260, 614606), (299, 534440), (310, 515476), (403, 396520), (431, 370760), (460, 347386), (520, 307303), (598, 267220), (620, 257738), (713, 224120), (806, 198260), (862, 185380), (920, 173693), (1196, 133610), (1240, 128869), (1426, 112060), (1495, 106888), (1612, 99130), (1724, 92690), (2015, 79304), (2155, 74152), (2392, 66805), (2852, 56030), (2990, 53444), (3224, 49565), (3448, 46345), (3565, 44824), (4030, 39652), (4310, 37076), (5603, 28520), (5704, 28015), (5980, 26722), (7130, 22412), (8060, 19826), (8620, 18538), (9269, 17240), (9913, 16120), (11206, 14260), (11960, 13361)]