487654128

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1324

約数の個数: 160

約数和(自身を含む): 1529902080

約数和(自身を除く): 1042247952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 71, 72, 78, 104, 108, 117, 142, 144, 156, 208, 213, 216, 234, 284, 312, 351, 426, 432, 468, 568, 624, 639, 702, 852, 923, 936, 1136, 1223, 1278, 1404, 1704, 1846, 1872, 1917, 2446, 2556, 2769, 2808, 3408, 3669, 3692, 3834, 4892, 5112, 5538, 5616, 7338, 7384, 7668, 8307, 9784, 10224, 11007, 11076, 14676, 14768, 15336, 15899, 16614, 19568, 22014, 22152, 24921, 29352, 30672, 31798, 33021, 33228, 44028, 44304, 47697, 49842, 58704, 63596, 66042, 66456, 86833, 88056, 95394, 99684, 127192, 132084, 132912, 143091, 173666, 176112, 190788, 199368, 254384, 260499, 264168, 286182, 347332, 381576, 398736, 429273, 520998, 528336, 572364, 694664, 763152, 781497, 858546, 1041996, 1128829, 1144728, 1389328, 1562994, 1717092, 2083992, 2257658, 2289456, 2344491, 3125988, 3386487, 3434184, 4167984, 4515316, 4688982, 6251976, 6772974, 6868368, 9030632, 9377964, 10159461, 12503952, 13545948, 18061264, 18755928, 20318922, 27091896, 30478383, 37511856, 40637844, 54183792, 60956766, 81275688, 121913532, 162551376, 243827064, 487654128]

約数ペア:

[(1, 487654128), (2, 243827064), (3, 162551376), (4, 121913532), (6, 81275688), (8, 60956766), (9, 54183792), (12, 40637844), (13, 37511856), (16, 30478383), (18, 27091896), (24, 20318922), (26, 18755928), (27, 18061264), (36, 13545948), (39, 12503952), (48, 10159461), (52, 9377964), (54, 9030632), (71, 6868368), (72, 6772974), (78, 6251976), (104, 4688982), (108, 4515316), (117, 4167984), (142, 3434184), (144, 3386487), (156, 3125988), (208, 2344491), (213, 2289456), (216, 2257658), (234, 2083992), (284, 1717092), (312, 1562994), (351, 1389328), (426, 1144728), (432, 1128829), (468, 1041996), (568, 858546), (624, 781497), (639, 763152), (702, 694664), (852, 572364), (923, 528336), (936, 520998), (1136, 429273), (1223, 398736), (1278, 381576), (1404, 347332), (1704, 286182), (1846, 264168), (1872, 260499), (1917, 254384), (2446, 199368), (2556, 190788), (2769, 176112), (2808, 173666), (3408, 143091), (3669, 132912), (3692, 132084), (3834, 127192), (4892, 99684), (5112, 95394), (5538, 88056), (5616, 86833), (7338, 66456), (7384, 66042), (7668, 63596), (8307, 58704), (9784, 49842), (10224, 47697), (11007, 44304), (11076, 44028), (14676, 33228), (14768, 33021), (15336, 31798), (15899, 30672), (16614, 29352), (19568, 24921), (22014, 22152)]