66451840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 200234160

約数和(自身を除く): 133782320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 163, 182, 196, 208, 224, 245, 260, 280, 320, 326, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 652, 728, 784, 815, 832, 896, 910, 980, 1040, 1120, 1141, 1274, 1304, 1456, 1568, 1630, 1664, 1820, 1960, 2080, 2119, 2240, 2282, 2548, 2608, 2912, 3136, 3185, 3260, 3640, 3920, 4160, 4238, 4480, 4564, 5096, 5216, 5705, 5824, 6272, 6370, 6520, 7280, 7840, 7987, 8320, 8476, 9128, 10192, 10432, 10595, 11410, 11648, 12740, 13040, 14560, 14833, 15680, 15974, 16952, 18256, 20384, 20864, 21190, 22820, 25480, 26080, 29120, 29666, 31360, 31948, 33904, 36512, 39935, 40768, 42380, 45640, 50960, 52160, 58240, 59332, 63896, 67808, 73024, 74165, 79870, 81536, 84760, 91280, 101920, 103831, 104320, 118664, 127792, 135616, 146048, 148330, 159740, 169520, 182560, 203840, 207662, 237328, 255584, 271232, 296660, 319480, 339040, 365120, 407680, 415324, 474656, 511168, 519155, 593320, 638960, 678080, 730240, 830648, 949312, 1022336, 1038310, 1186640, 1277920, 1356160, 1661296, 1898624, 2076620, 2373280, 2555840, 3322592, 4153240, 4746560, 5111680, 6645184, 8306480, 9493120, 13290368, 16612960, 33225920, 66451840]

約数ペア:

[(1, 66451840), (2, 33225920), (4, 16612960), (5, 13290368), (7, 9493120), (8, 8306480), (10, 6645184), (13, 5111680), (14, 4746560), (16, 4153240), (20, 3322592), (26, 2555840), (28, 2373280), (32, 2076620), (35, 1898624), (40, 1661296), (49, 1356160), (52, 1277920), (56, 1186640), (64, 1038310), (65, 1022336), (70, 949312), (80, 830648), (91, 730240), (98, 678080), (104, 638960), (112, 593320), (128, 519155), (130, 511168), (140, 474656), (160, 415324), (163, 407680), (182, 365120), (196, 339040), (208, 319480), (224, 296660), (245, 271232), (260, 255584), (280, 237328), (320, 207662), (326, 203840), (364, 182560), (392, 169520), (416, 159740), (448, 148330), (455, 146048), (490, 135616), (520, 127792), (560, 118664), (637, 104320), (640, 103831), (652, 101920), (728, 91280), (784, 84760), (815, 81536), (832, 79870), (896, 74165), (910, 73024), (980, 67808), (1040, 63896), (1120, 59332), (1141, 58240), (1274, 52160), (1304, 50960), (1456, 45640), (1568, 42380), (1630, 40768), (1664, 39935), (1820, 36512), (1960, 33904), (2080, 31948), (2119, 31360), (2240, 29666), (2282, 29120), (2548, 26080), (2608, 25480), (2912, 22820), (3136, 21190), (3185, 20864), (3260, 20384), (3640, 18256), (3920, 16952), (4160, 15974), (4238, 15680), (4480, 14833), (4564, 14560), (5096, 13040), (5216, 12740), (5705, 11648), (5824, 11410), (6272, 10595), (6370, 10432), (6520, 10192), (7280, 9128), (7840, 8476), (7987, 8320)]