66561040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 195987456

約数和(自身を除く): 129426416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 80, 82, 91, 104, 112, 130, 140, 164, 182, 205, 208, 223, 260, 280, 287, 328, 364, 410, 446, 455, 520, 533, 560, 574, 656, 728, 820, 892, 910, 1040, 1066, 1115, 1148, 1435, 1456, 1561, 1640, 1784, 1820, 2132, 2230, 2296, 2665, 2870, 2899, 3122, 3280, 3568, 3640, 3731, 4264, 4460, 4592, 5330, 5740, 5798, 6244, 7280, 7462, 7805, 8528, 8920, 9143, 10660, 11480, 11596, 12488, 14495, 14924, 15610, 17840, 18286, 18655, 20293, 21320, 22960, 23192, 24976, 28990, 29848, 31220, 36572, 37310, 40586, 42640, 45715, 46384, 57980, 59696, 62440, 64001, 73144, 74620, 81172, 91430, 101465, 115960, 118859, 124880, 128002, 146288, 149240, 162344, 182860, 202930, 231920, 237718, 256004, 298480, 320005, 324688, 365720, 405860, 475436, 512008, 594295, 640010, 731440, 811720, 832013, 950872, 1024016, 1188590, 1280020, 1623440, 1664026, 1901744, 2377180, 2560040, 3328052, 4160065, 4754360, 5120080, 6656104, 8320130, 9508720, 13312208, 16640260, 33280520, 66561040]

約数ペア:

[(1, 66561040), (2, 33280520), (4, 16640260), (5, 13312208), (7, 9508720), (8, 8320130), (10, 6656104), (13, 5120080), (14, 4754360), (16, 4160065), (20, 3328052), (26, 2560040), (28, 2377180), (35, 1901744), (40, 1664026), (41, 1623440), (52, 1280020), (56, 1188590), (65, 1024016), (70, 950872), (80, 832013), (82, 811720), (91, 731440), (104, 640010), (112, 594295), (130, 512008), (140, 475436), (164, 405860), (182, 365720), (205, 324688), (208, 320005), (223, 298480), (260, 256004), (280, 237718), (287, 231920), (328, 202930), (364, 182860), (410, 162344), (446, 149240), (455, 146288), (520, 128002), (533, 124880), (560, 118859), (574, 115960), (656, 101465), (728, 91430), (820, 81172), (892, 74620), (910, 73144), (1040, 64001), (1066, 62440), (1115, 59696), (1148, 57980), (1435, 46384), (1456, 45715), (1561, 42640), (1640, 40586), (1784, 37310), (1820, 36572), (2132, 31220), (2230, 29848), (2296, 28990), (2665, 24976), (2870, 23192), (2899, 22960), (3122, 21320), (3280, 20293), (3568, 18655), (3640, 18286), (3731, 17840), (4264, 15610), (4460, 14924), (4592, 14495), (5330, 12488), (5740, 11596), (5798, 11480), (6244, 10660), (7280, 9143), (7462, 8920), (7805, 8528)]