72845760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 168

約数和(自身を含む): 251002800

約数和(自身を除く): 178157040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 390, 416, 449, 480, 507, 520, 624, 676, 780, 832, 845, 898, 960, 1014, 1040, 1248, 1347, 1352, 1560, 1690, 1796, 2028, 2080, 2245, 2496, 2535, 2694, 2704, 3120, 3380, 3592, 4056, 4160, 4490, 5070, 5388, 5408, 5837, 6240, 6735, 6760, 7184, 8112, 8980, 10140, 10776, 10816, 11674, 12480, 13470, 13520, 14368, 16224, 17511, 17960, 20280, 21552, 23348, 26940, 27040, 28736, 29185, 32448, 35022, 35920, 40560, 43104, 46696, 53880, 54080, 58370, 70044, 71840, 75881, 81120, 86208, 87555, 93392, 107760, 116740, 140088, 143680, 151762, 162240, 175110, 186784, 215520, 227643, 233480, 280176, 303524, 350220, 373568, 379405, 431040, 455286, 466960, 560352, 607048, 700440, 758810, 910572, 933920, 1120704, 1138215, 1214096, 1400880, 1517620, 1821144, 1867840, 2276430, 2428192, 2801760, 3035240, 3642288, 4552860, 4856384, 5603520, 6070480, 7284576, 9105720, 12140960, 14569152, 18211440, 24281920, 36422880, 72845760]

約数ペア:

[(1, 72845760), (2, 36422880), (3, 24281920), (4, 18211440), (5, 14569152), (6, 12140960), (8, 9105720), (10, 7284576), (12, 6070480), (13, 5603520), (15, 4856384), (16, 4552860), (20, 3642288), (24, 3035240), (26, 2801760), (30, 2428192), (32, 2276430), (39, 1867840), (40, 1821144), (48, 1517620), (52, 1400880), (60, 1214096), (64, 1138215), (65, 1120704), (78, 933920), (80, 910572), (96, 758810), (104, 700440), (120, 607048), (130, 560352), (156, 466960), (160, 455286), (169, 431040), (192, 379405), (195, 373568), (208, 350220), (240, 303524), (260, 280176), (312, 233480), (320, 227643), (338, 215520), (390, 186784), (416, 175110), (449, 162240), (480, 151762), (507, 143680), (520, 140088), (624, 116740), (676, 107760), (780, 93392), (832, 87555), (845, 86208), (898, 81120), (960, 75881), (1014, 71840), (1040, 70044), (1248, 58370), (1347, 54080), (1352, 53880), (1560, 46696), (1690, 43104), (1796, 40560), (2028, 35920), (2080, 35022), (2245, 32448), (2496, 29185), (2535, 28736), (2694, 27040), (2704, 26940), (3120, 23348), (3380, 21552), (3592, 20280), (4056, 17960), (4160, 17511), (4490, 16224), (5070, 14368), (5388, 13520), (5408, 13470), (5837, 12480), (6240, 11674), (6735, 10816), (6760, 10776), (7184, 10140), (8112, 8980)]