647476680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12347}}^1$

素因数の和:12403

約数の個数: 128

約数和(自身を含む): 2133734400

約数和(自身を除く): 1486257720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4370, 5244, 6555, 8740, 10488, 12347, 13110, 17480, 24694, 26220, 37041, 49388, 52440, 61735, 74082, 98776, 123470, 148164, 185205, 234593, 246940, 283981, 296328, 370410, 469186, 493880, 567962, 703779, 740820, 851943, 938372, 1135924, 1172965, 1407558, 1419905, 1481640, 1703886, 1876744, 2271848, 2345930, 2815116, 2839810, 3407772, 3518895, 4259715, 4691860, 5395639, 5630232, 5679620, 6815544, 7037790, 8519430, 9383720, 10791278, 11359240, 14075580, 16186917, 17038860, 21582556, 26978195, 28151160, 32373834, 34077720, 43165112, 53956390, 64747668, 80934585, 107912780, 129495336, 161869170, 215825560, 323738340, 647476680]

約数ペア:

[(1, 647476680), (2, 323738340), (3, 215825560), (4, 161869170), (5, 129495336), (6, 107912780), (8, 80934585), (10, 64747668), (12, 53956390), (15, 43165112), (19, 34077720), (20, 32373834), (23, 28151160), (24, 26978195), (30, 21582556), (38, 17038860), (40, 16186917), (46, 14075580), (57, 11359240), (60, 10791278), (69, 9383720), (76, 8519430), (92, 7037790), (95, 6815544), (114, 5679620), (115, 5630232), (120, 5395639), (138, 4691860), (152, 4259715), (184, 3518895), (190, 3407772), (228, 2839810), (230, 2815116), (276, 2345930), (285, 2271848), (345, 1876744), (380, 1703886), (437, 1481640), (456, 1419905), (460, 1407558), (552, 1172965), (570, 1135924), (690, 938372), (760, 851943), (874, 740820), (920, 703779), (1140, 567962), (1311, 493880), (1380, 469186), (1748, 370410), (2185, 296328), (2280, 283981), (2622, 246940), (2760, 234593), (3496, 185205), (4370, 148164), (5244, 123470), (6555, 98776), (8740, 74082), (10488, 61735), (12347, 52440), (13110, 49388), (17480, 37041), (24694, 26220)]