168238720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 440652240

約数和(自身を除く): 272413520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 128, 130, 146, 160, 208, 260, 277, 292, 320, 365, 416, 520, 554, 584, 640, 730, 832, 949, 1040, 1108, 1168, 1385, 1460, 1664, 1898, 2080, 2216, 2336, 2770, 2920, 3601, 3796, 4160, 4432, 4672, 4745, 5540, 5840, 7202, 7592, 8320, 8864, 9344, 9490, 11080, 11680, 14404, 15184, 17728, 18005, 18980, 20221, 22160, 23360, 28808, 30368, 35456, 36010, 37960, 40442, 44320, 46720, 57616, 60736, 72020, 75920, 80884, 88640, 101105, 115232, 121472, 144040, 151840, 161768, 177280, 202210, 230464, 262873, 288080, 303680, 323536, 404420, 460928, 525746, 576160, 607360, 647072, 808840, 1051492, 1152320, 1294144, 1314365, 1617680, 2102984, 2304640, 2588288, 2628730, 3235360, 4205968, 5257460, 6470720, 8411936, 10514920, 12941440, 16823872, 21029840, 33647744, 42059680, 84119360, 168238720]

約数ペア:

[(1, 168238720), (2, 84119360), (4, 42059680), (5, 33647744), (8, 21029840), (10, 16823872), (13, 12941440), (16, 10514920), (20, 8411936), (26, 6470720), (32, 5257460), (40, 4205968), (52, 3235360), (64, 2628730), (65, 2588288), (73, 2304640), (80, 2102984), (104, 1617680), (128, 1314365), (130, 1294144), (146, 1152320), (160, 1051492), (208, 808840), (260, 647072), (277, 607360), (292, 576160), (320, 525746), (365, 460928), (416, 404420), (520, 323536), (554, 303680), (584, 288080), (640, 262873), (730, 230464), (832, 202210), (949, 177280), (1040, 161768), (1108, 151840), (1168, 144040), (1385, 121472), (1460, 115232), (1664, 101105), (1898, 88640), (2080, 80884), (2216, 75920), (2336, 72020), (2770, 60736), (2920, 57616), (3601, 46720), (3796, 44320), (4160, 40442), (4432, 37960), (4672, 36010), (4745, 35456), (5540, 30368), (5840, 28808), (7202, 23360), (7592, 22160), (8320, 20221), (8864, 18980), (9344, 18005), (9490, 17728), (11080, 15184), (11680, 14404)]