72421440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 224

約数和(自身を含む): 283342080

約数和(自身を除く): 210920640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 672, 728, 780, 829, 832, 840, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1658, 1680, 1820, 2080, 2184, 2240, 2487, 2496, 2730, 2912, 3120, 3316, 3360, 3640, 4145, 4160, 4368, 4974, 5460, 5803, 5824, 6240, 6632, 6720, 7280, 8290, 8736, 9948, 10777, 10920, 11606, 12435, 12480, 13264, 14560, 16580, 17409, 17472, 19896, 21554, 21840, 23212, 24870, 26528, 29015, 29120, 32331, 33160, 34818, 39792, 43108, 43680, 46424, 49740, 53056, 53885, 58030, 64662, 66320, 69636, 75439, 79584, 86216, 87045, 87360, 92848, 99480, 107770, 116060, 129324, 132640, 139272, 150878, 159168, 161655, 172432, 174090, 185696, 198960, 215540, 226317, 232120, 258648, 265280, 278544, 301756, 323310, 344864, 348180, 371392, 377195, 397920, 431080, 452634, 464240, 517296, 557088, 603512, 646620, 689728, 696360, 754390, 795840, 862160, 905268, 928480, 1034592, 1114176, 1131585, 1207024, 1293240, 1392720, 1508780, 1724320, 1810536, 1856960, 2069184, 2263170, 2414048, 2586480, 2785440, 3017560, 3448640, 3621072, 4526340, 4828096, 5172960, 5570880, 6035120, 7242144, 9052680, 10345920, 12070240, 14484288, 18105360, 24140480, 36210720, 72421440]

約数ペア:

[(1, 72421440), (2, 36210720), (3, 24140480), (4, 18105360), (5, 14484288), (6, 12070240), (7, 10345920), (8, 9052680), (10, 7242144), (12, 6035120), (13, 5570880), (14, 5172960), (15, 4828096), (16, 4526340), (20, 3621072), (21, 3448640), (24, 3017560), (26, 2785440), (28, 2586480), (30, 2414048), (32, 2263170), (35, 2069184), (39, 1856960), (40, 1810536), (42, 1724320), (48, 1508780), (52, 1392720), (56, 1293240), (60, 1207024), (64, 1131585), (65, 1114176), (70, 1034592), (78, 928480), (80, 905268), (84, 862160), (91, 795840), (96, 754390), (104, 696360), (105, 689728), (112, 646620), (120, 603512), (130, 557088), (140, 517296), (156, 464240), (160, 452634), (168, 431080), (182, 397920), (192, 377195), (195, 371392), (208, 348180), (210, 344864), (224, 323310), (240, 301756), (260, 278544), (273, 265280), (280, 258648), (312, 232120), (320, 226317), (336, 215540), (364, 198960), (390, 185696), (416, 174090), (420, 172432), (448, 161655), (455, 159168), (480, 150878), (520, 139272), (546, 132640), (560, 129324), (624, 116060), (672, 107770), (728, 99480), (780, 92848), (829, 87360), (832, 87045), (840, 86216), (910, 79584), (960, 75439), (1040, 69636), (1092, 66320), (1120, 64662), (1248, 58030), (1344, 53885), (1365, 53056), (1456, 49740), (1560, 46424), (1658, 43680), (1680, 43108), (1820, 39792), (2080, 34818), (2184, 33160), (2240, 32331), (2487, 29120), (2496, 29015), (2730, 26528), (2912, 24870), (3120, 23212), (3316, 21840), (3360, 21554), (3640, 19896), (4145, 17472), (4160, 17409), (4368, 16580), (4974, 14560), (5460, 13264), (5803, 12480), (5824, 12435), (6240, 11606), (6632, 10920), (6720, 10777), (7280, 9948), (8290, 8736)]