18389280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:459

約数の個数: 192

約数和(自身を含む): 71463168

約数和(自身を除く): 53073888

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, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 421, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 842, 910, 1040, 1092, 1120, 1248, 1263, 1365, 1456, 1560, 1680, 1684, 1820, 2080, 2105, 2184, 2526, 2730, 2912, 2947, 3120, 3360, 3368, 3640, 4210, 4368, 5052, 5460, 5473, 5894, 6240, 6315, 6736, 7280, 8420, 8736, 8841, 10104, 10920, 10946, 11788, 12630, 13472, 14560, 14735, 16419, 16840, 17682, 20208, 21840, 21892, 23576, 25260, 27365, 29470, 32838, 33680, 35364, 38311, 40416, 43680, 43784, 44205, 47152, 50520, 54730, 58940, 65676, 67360, 70728, 76622, 82095, 87568, 88410, 94304, 101040, 109460, 114933, 117880, 131352, 141456, 153244, 164190, 175136, 176820, 191555, 202080, 218920, 229866, 235760, 262704, 282912, 306488, 328380, 353640, 383110, 437840, 459732, 471520, 525408, 574665, 612976, 656760, 707280, 766220, 875680, 919464, 1149330, 1225952, 1313520, 1414560, 1532440, 1838928, 2298660, 2627040, 3064880, 3677856, 4597320, 6129760, 9194640, 18389280]

約数ペア:

[(1, 18389280), (2, 9194640), (3, 6129760), (4, 4597320), (5, 3677856), (6, 3064880), (7, 2627040), (8, 2298660), (10, 1838928), (12, 1532440), (13, 1414560), (14, 1313520), (15, 1225952), (16, 1149330), (20, 919464), (21, 875680), (24, 766220), (26, 707280), (28, 656760), (30, 612976), (32, 574665), (35, 525408), (39, 471520), (40, 459732), (42, 437840), (48, 383110), (52, 353640), (56, 328380), (60, 306488), (65, 282912), (70, 262704), (78, 235760), (80, 229866), (84, 218920), (91, 202080), (96, 191555), (104, 176820), (105, 175136), (112, 164190), (120, 153244), (130, 141456), (140, 131352), (156, 117880), (160, 114933), (168, 109460), (182, 101040), (195, 94304), (208, 88410), (210, 87568), (224, 82095), (240, 76622), (260, 70728), (273, 67360), (280, 65676), (312, 58940), (336, 54730), (364, 50520), (390, 47152), (416, 44205), (420, 43784), (421, 43680), (455, 40416), (480, 38311), (520, 35364), (546, 33680), (560, 32838), (624, 29470), (672, 27365), (728, 25260), (780, 23576), (840, 21892), (842, 21840), (910, 20208), (1040, 17682), (1092, 16840), (1120, 16419), (1248, 14735), (1263, 14560), (1365, 13472), (1456, 12630), (1560, 11788), (1680, 10946), (1684, 10920), (1820, 10104), (2080, 8841), (2105, 8736), (2184, 8420), (2526, 7280), (2730, 6736), (2912, 6315), (2947, 6240), (3120, 5894), (3360, 5473), (3368, 5460), (3640, 5052), (4210, 4368)]