258545560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 744055200

約数和(自身を除く): 485509640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 73, 91, 98, 104, 130, 139, 140, 146, 182, 196, 245, 260, 278, 280, 292, 364, 365, 392, 455, 490, 511, 520, 556, 584, 637, 695, 728, 730, 910, 949, 973, 980, 1022, 1112, 1274, 1390, 1460, 1807, 1820, 1898, 1946, 1960, 2044, 2548, 2555, 2780, 2920, 3185, 3577, 3614, 3640, 3796, 3892, 4088, 4745, 4865, 5096, 5110, 5560, 6370, 6643, 6811, 7154, 7228, 7592, 7784, 9035, 9490, 9730, 10147, 10220, 12649, 12740, 13286, 13622, 14308, 14456, 17885, 18070, 18980, 19460, 20294, 20440, 25298, 25480, 26572, 27244, 28616, 33215, 34055, 35770, 36140, 37960, 38920, 40588, 46501, 50596, 50735, 53144, 54488, 63245, 66430, 68110, 71029, 71540, 72280, 81176, 88543, 93002, 101192, 101470, 126490, 131911, 132860, 136220, 142058, 143080, 177086, 186004, 202940, 232505, 252980, 263822, 265720, 272440, 284116, 354172, 355145, 372008, 405880, 442715, 465010, 497203, 505960, 527644, 568232, 659555, 708344, 710290, 885430, 923377, 930020, 994406, 1055288, 1319110, 1420580, 1770860, 1846754, 1860040, 1988812, 2486015, 2638220, 2841160, 3541720, 3693508, 3977624, 4616885, 4972030, 5276440, 6463639, 7387016, 9233770, 9944060, 12927278, 18467540, 19888120, 25854556, 32318195, 36935080, 51709112, 64636390, 129272780, 258545560]

約数ペア:

[(1, 258545560), (2, 129272780), (4, 64636390), (5, 51709112), (7, 36935080), (8, 32318195), (10, 25854556), (13, 19888120), (14, 18467540), (20, 12927278), (26, 9944060), (28, 9233770), (35, 7387016), (40, 6463639), (49, 5276440), (52, 4972030), (56, 4616885), (65, 3977624), (70, 3693508), (73, 3541720), (91, 2841160), (98, 2638220), (104, 2486015), (130, 1988812), (139, 1860040), (140, 1846754), (146, 1770860), (182, 1420580), (196, 1319110), (245, 1055288), (260, 994406), (278, 930020), (280, 923377), (292, 885430), (364, 710290), (365, 708344), (392, 659555), (455, 568232), (490, 527644), (511, 505960), (520, 497203), (556, 465010), (584, 442715), (637, 405880), (695, 372008), (728, 355145), (730, 354172), (910, 284116), (949, 272440), (973, 265720), (980, 263822), (1022, 252980), (1112, 232505), (1274, 202940), (1390, 186004), (1460, 177086), (1807, 143080), (1820, 142058), (1898, 136220), (1946, 132860), (1960, 131911), (2044, 126490), (2548, 101470), (2555, 101192), (2780, 93002), (2920, 88543), (3185, 81176), (3577, 72280), (3614, 71540), (3640, 71029), (3796, 68110), (3892, 66430), (4088, 63245), (4745, 54488), (4865, 53144), (5096, 50735), (5110, 50596), (5560, 46501), (6370, 40588), (6643, 38920), (6811, 37960), (7154, 36140), (7228, 35770), (7592, 34055), (7784, 33215), (9035, 28616), (9490, 27244), (9730, 26572), (10147, 25480), (10220, 25298), (12649, 20440), (12740, 20294), (13286, 19460), (13622, 18980), (14308, 18070), (14456, 17885)]