64440480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 192

約数和(自身を含む): 228614400

約数和(自身を除く): 164173920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 96, 104, 115, 120, 130, 138, 156, 160, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 416, 449, 460, 480, 520, 552, 598, 624, 690, 736, 780, 897, 898, 920, 1040, 1104, 1196, 1248, 1347, 1380, 1495, 1560, 1794, 1796, 1840, 2080, 2208, 2245, 2392, 2694, 2760, 2990, 3120, 3588, 3592, 3680, 4485, 4490, 4784, 5388, 5520, 5837, 5980, 6240, 6735, 7176, 7184, 8970, 8980, 9568, 10327, 10776, 11040, 11674, 11960, 13470, 14352, 14368, 17511, 17940, 17960, 20654, 21552, 23348, 23920, 26940, 28704, 29185, 30981, 35022, 35880, 35920, 41308, 43104, 46696, 47840, 51635, 53880, 58370, 61962, 70044, 71760, 71840, 82616, 87555, 93392, 103270, 107760, 116740, 123924, 134251, 140088, 143520, 154905, 165232, 175110, 186784, 206540, 215520, 233480, 247848, 268502, 280176, 309810, 330464, 350220, 402753, 413080, 466960, 495696, 537004, 560352, 619620, 671255, 700440, 805506, 826160, 933920, 991392, 1074008, 1239240, 1342510, 1400880, 1611012, 1652320, 2013765, 2148016, 2478480, 2685020, 2801760, 3222024, 4027530, 4296032, 4956960, 5370040, 6444048, 8055060, 10740080, 12888096, 16110120, 21480160, 32220240, 64440480]

約数ペア:

[(1, 64440480), (2, 32220240), (3, 21480160), (4, 16110120), (5, 12888096), (6, 10740080), (8, 8055060), (10, 6444048), (12, 5370040), (13, 4956960), (15, 4296032), (16, 4027530), (20, 3222024), (23, 2801760), (24, 2685020), (26, 2478480), (30, 2148016), (32, 2013765), (39, 1652320), (40, 1611012), (46, 1400880), (48, 1342510), (52, 1239240), (60, 1074008), (65, 991392), (69, 933920), (78, 826160), (80, 805506), (92, 700440), (96, 671255), (104, 619620), (115, 560352), (120, 537004), (130, 495696), (138, 466960), (156, 413080), (160, 402753), (184, 350220), (195, 330464), (208, 309810), (230, 280176), (240, 268502), (260, 247848), (276, 233480), (299, 215520), (312, 206540), (345, 186784), (368, 175110), (390, 165232), (416, 154905), (449, 143520), (460, 140088), (480, 134251), (520, 123924), (552, 116740), (598, 107760), (624, 103270), (690, 93392), (736, 87555), (780, 82616), (897, 71840), (898, 71760), (920, 70044), (1040, 61962), (1104, 58370), (1196, 53880), (1248, 51635), (1347, 47840), (1380, 46696), (1495, 43104), (1560, 41308), (1794, 35920), (1796, 35880), (1840, 35022), (2080, 30981), (2208, 29185), (2245, 28704), (2392, 26940), (2694, 23920), (2760, 23348), (2990, 21552), (3120, 20654), (3588, 17960), (3592, 17940), (3680, 17511), (4485, 14368), (4490, 14352), (4784, 13470), (5388, 11960), (5520, 11674), (5837, 11040), (5980, 10776), (6240, 10327), (6735, 9568), (7176, 8980), (7184, 8970)]