19789200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 180

約数和(自身を含む): 71959680

約数和(自身を除く): 52170480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 100, 115, 120, 138, 144, 150, 180, 184, 200, 207, 225, 230, 239, 240, 276, 300, 345, 360, 368, 400, 414, 450, 460, 478, 552, 575, 600, 690, 717, 720, 828, 900, 920, 956, 1035, 1104, 1150, 1195, 1200, 1380, 1434, 1656, 1725, 1800, 1840, 1912, 2070, 2151, 2300, 2390, 2760, 2868, 3312, 3450, 3585, 3600, 3824, 4140, 4302, 4600, 4780, 5175, 5497, 5520, 5736, 5975, 6900, 7170, 8280, 8604, 9200, 9560, 10350, 10755, 10994, 11472, 11950, 13800, 14340, 16491, 16560, 17208, 17925, 19120, 20700, 21510, 21988, 23900, 27485, 27600, 28680, 32982, 34416, 35850, 41400, 43020, 43976, 47800, 49473, 53775, 54970, 57360, 65964, 71700, 82455, 82800, 86040, 87952, 95600, 98946, 107550, 109940, 131928, 137425, 143400, 164910, 172080, 197892, 215100, 219880, 247365, 263856, 274850, 286800, 329820, 395784, 412275, 430200, 439760, 494730, 549700, 659640, 791568, 824550, 860400, 989460, 1099400, 1236825, 1319280, 1649100, 1978920, 2198800, 2473650, 3298200, 3957840, 4947300, 6596400, 9894600, 19789200]

約数ペア:

[(1, 19789200), (2, 9894600), (3, 6596400), (4, 4947300), (5, 3957840), (6, 3298200), (8, 2473650), (9, 2198800), (10, 1978920), (12, 1649100), (15, 1319280), (16, 1236825), (18, 1099400), (20, 989460), (23, 860400), (24, 824550), (25, 791568), (30, 659640), (36, 549700), (40, 494730), (45, 439760), (46, 430200), (48, 412275), (50, 395784), (60, 329820), (69, 286800), (72, 274850), (75, 263856), (80, 247365), (90, 219880), (92, 215100), (100, 197892), (115, 172080), (120, 164910), (138, 143400), (144, 137425), (150, 131928), (180, 109940), (184, 107550), (200, 98946), (207, 95600), (225, 87952), (230, 86040), (239, 82800), (240, 82455), (276, 71700), (300, 65964), (345, 57360), (360, 54970), (368, 53775), (400, 49473), (414, 47800), (450, 43976), (460, 43020), (478, 41400), (552, 35850), (575, 34416), (600, 32982), (690, 28680), (717, 27600), (720, 27485), (828, 23900), (900, 21988), (920, 21510), (956, 20700), (1035, 19120), (1104, 17925), (1150, 17208), (1195, 16560), (1200, 16491), (1380, 14340), (1434, 13800), (1656, 11950), (1725, 11472), (1800, 10994), (1840, 10755), (1912, 10350), (2070, 9560), (2151, 9200), (2300, 8604), (2390, 8280), (2760, 7170), (2868, 6900), (3312, 5975), (3450, 5736), (3585, 5520), (3600, 5497), (3824, 5175), (4140, 4780), (4302, 4600)]