748481640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2127

約数の個数: 128

約数和(自身を含む): 2361139200

約数和(自身を除く): 1612657560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 230, 276, 278, 345, 417, 460, 552, 556, 690, 695, 834, 920, 1112, 1380, 1390, 1668, 1951, 2085, 2760, 2780, 3197, 3336, 3902, 4170, 5560, 5853, 6394, 7804, 8340, 9591, 9755, 11706, 12788, 15608, 15985, 16680, 19182, 19510, 23412, 25576, 29265, 31970, 38364, 39020, 44873, 46824, 47955, 58530, 63940, 76728, 78040, 89746, 95910, 117060, 127880, 134619, 179492, 191820, 224365, 234120, 269238, 271189, 358984, 383640, 448730, 538476, 542378, 673095, 813567, 897460, 1076952, 1084756, 1346190, 1355945, 1627134, 1794920, 2169512, 2692380, 2711890, 3254268, 4067835, 5384760, 5423780, 6237347, 6508536, 8135670, 10847560, 12474694, 16271340, 18712041, 24949388, 31186735, 32542680, 37424082, 49898776, 62373470, 74848164, 93560205, 124746940, 149696328, 187120410, 249493880, 374240820, 748481640]

約数ペア:

[(1, 748481640), (2, 374240820), (3, 249493880), (4, 187120410), (5, 149696328), (6, 124746940), (8, 93560205), (10, 74848164), (12, 62373470), (15, 49898776), (20, 37424082), (23, 32542680), (24, 31186735), (30, 24949388), (40, 18712041), (46, 16271340), (60, 12474694), (69, 10847560), (92, 8135670), (115, 6508536), (120, 6237347), (138, 5423780), (139, 5384760), (184, 4067835), (230, 3254268), (276, 2711890), (278, 2692380), (345, 2169512), (417, 1794920), (460, 1627134), (552, 1355945), (556, 1346190), (690, 1084756), (695, 1076952), (834, 897460), (920, 813567), (1112, 673095), (1380, 542378), (1390, 538476), (1668, 448730), (1951, 383640), (2085, 358984), (2760, 271189), (2780, 269238), (3197, 234120), (3336, 224365), (3902, 191820), (4170, 179492), (5560, 134619), (5853, 127880), (6394, 117060), (7804, 95910), (8340, 89746), (9591, 78040), (9755, 76728), (11706, 63940), (12788, 58530), (15608, 47955), (15985, 46824), (16680, 44873), (19182, 39020), (19510, 38364), (23412, 31970), (25576, 29265)]