9975680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 28274400

約数和(自身を除く): 18298720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 109, 110, 128, 130, 143, 160, 176, 208, 218, 220, 260, 286, 320, 352, 416, 436, 440, 520, 545, 572, 640, 704, 715, 832, 872, 880, 1040, 1090, 1144, 1199, 1408, 1417, 1430, 1664, 1744, 1760, 2080, 2180, 2288, 2398, 2834, 2860, 3488, 3520, 4160, 4360, 4576, 4796, 5668, 5720, 5995, 6976, 7040, 7085, 8320, 8720, 9152, 9592, 11336, 11440, 11990, 13952, 14170, 15587, 17440, 18304, 19184, 22672, 22880, 23980, 28340, 31174, 34880, 38368, 45344, 45760, 47960, 56680, 62348, 69760, 76736, 77935, 90688, 91520, 95920, 113360, 124696, 153472, 155870, 181376, 191840, 226720, 249392, 311740, 383680, 453440, 498784, 623480, 767360, 906880, 997568, 1246960, 1995136, 2493920, 4987840, 9975680]

約数ペア:

[(1, 9975680), (2, 4987840), (4, 2493920), (5, 1995136), (8, 1246960), (10, 997568), (11, 906880), (13, 767360), (16, 623480), (20, 498784), (22, 453440), (26, 383680), (32, 311740), (40, 249392), (44, 226720), (52, 191840), (55, 181376), (64, 155870), (65, 153472), (80, 124696), (88, 113360), (104, 95920), (109, 91520), (110, 90688), (128, 77935), (130, 76736), (143, 69760), (160, 62348), (176, 56680), (208, 47960), (218, 45760), (220, 45344), (260, 38368), (286, 34880), (320, 31174), (352, 28340), (416, 23980), (436, 22880), (440, 22672), (520, 19184), (545, 18304), (572, 17440), (640, 15587), (704, 14170), (715, 13952), (832, 11990), (872, 11440), (880, 11336), (1040, 9592), (1090, 9152), (1144, 8720), (1199, 8320), (1408, 7085), (1417, 7040), (1430, 6976), (1664, 5995), (1744, 5720), (1760, 5668), (2080, 4796), (2180, 4576), (2288, 4360), (2398, 4160), (2834, 3520), (2860, 3488)]