65330720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 144

約数和(自身を含む): 193655448

約数和(自身を除く): 128324728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 641, 728, 784, 910, 980, 1040, 1120, 1274, 1282, 1456, 1568, 1820, 1960, 2080, 2548, 2564, 2912, 3185, 3205, 3640, 3920, 4487, 5096, 5128, 6370, 6410, 7280, 7840, 8333, 8974, 10192, 10256, 12740, 12820, 14560, 16666, 17948, 20384, 20512, 22435, 25480, 25640, 31409, 33332, 35896, 41665, 44870, 50960, 51280, 58331, 62818, 66664, 71792, 83330, 89740, 101920, 102560, 116662, 125636, 133328, 143584, 157045, 166660, 179480, 233324, 251272, 266656, 291655, 314090, 333320, 358960, 408317, 466648, 502544, 583310, 628180, 666640, 717920, 816634, 933296, 1005088, 1166620, 1256360, 1333280, 1633268, 1866592, 2041585, 2333240, 2512720, 3266536, 4083170, 4666480, 5025440, 6533072, 8166340, 9332960, 13066144, 16332680, 32665360, 65330720]

約数ペア:

[(1, 65330720), (2, 32665360), (4, 16332680), (5, 13066144), (7, 9332960), (8, 8166340), (10, 6533072), (13, 5025440), (14, 4666480), (16, 4083170), (20, 3266536), (26, 2512720), (28, 2333240), (32, 2041585), (35, 1866592), (40, 1633268), (49, 1333280), (52, 1256360), (56, 1166620), (65, 1005088), (70, 933296), (80, 816634), (91, 717920), (98, 666640), (104, 628180), (112, 583310), (130, 502544), (140, 466648), (160, 408317), (182, 358960), (196, 333320), (208, 314090), (224, 291655), (245, 266656), (260, 251272), (280, 233324), (364, 179480), (392, 166660), (416, 157045), (455, 143584), (490, 133328), (520, 125636), (560, 116662), (637, 102560), (641, 101920), (728, 89740), (784, 83330), (910, 71792), (980, 66664), (1040, 62818), (1120, 58331), (1274, 51280), (1282, 50960), (1456, 44870), (1568, 41665), (1820, 35896), (1960, 33332), (2080, 31409), (2548, 25640), (2564, 25480), (2912, 22435), (3185, 20512), (3205, 20384), (3640, 17948), (3920, 16666), (4487, 14560), (5096, 12820), (5128, 12740), (6370, 10256), (6410, 10192), (7280, 8974), (7840, 8333)]