18646560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:607

約数の個数: 144

約数和(自身を含む): 66515904

約数和(自身を除く): 47869344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 563, 690, 720, 736, 828, 920, 1035, 1104, 1126, 1380, 1440, 1656, 1689, 1840, 2070, 2208, 2252, 2760, 2815, 3312, 3378, 3680, 4140, 4504, 5067, 5520, 5630, 6624, 6756, 8280, 8445, 9008, 10134, 11040, 11260, 12949, 13512, 16560, 16890, 18016, 20268, 22520, 25335, 25898, 27024, 33120, 33780, 38847, 40536, 45040, 50670, 51796, 54048, 64745, 67560, 77694, 81072, 90080, 101340, 103592, 116541, 129490, 135120, 155388, 162144, 194235, 202680, 207184, 233082, 258980, 270240, 310776, 388470, 405360, 414368, 466164, 517960, 582705, 621552, 776940, 810720, 932328, 1035920, 1165410, 1243104, 1553880, 1864656, 2071840, 2330820, 3107760, 3729312, 4661640, 6215520, 9323280, 18646560]

約数ペア:

[(1, 18646560), (2, 9323280), (3, 6215520), (4, 4661640), (5, 3729312), (6, 3107760), (8, 2330820), (9, 2071840), (10, 1864656), (12, 1553880), (15, 1243104), (16, 1165410), (18, 1035920), (20, 932328), (23, 810720), (24, 776940), (30, 621552), (32, 582705), (36, 517960), (40, 466164), (45, 414368), (46, 405360), (48, 388470), (60, 310776), (69, 270240), (72, 258980), (80, 233082), (90, 207184), (92, 202680), (96, 194235), (115, 162144), (120, 155388), (138, 135120), (144, 129490), (160, 116541), (180, 103592), (184, 101340), (207, 90080), (230, 81072), (240, 77694), (276, 67560), (288, 64745), (345, 54048), (360, 51796), (368, 50670), (414, 45040), (460, 40536), (480, 38847), (552, 33780), (563, 33120), (690, 27024), (720, 25898), (736, 25335), (828, 22520), (920, 20268), (1035, 18016), (1104, 16890), (1126, 16560), (1380, 13512), (1440, 12949), (1656, 11260), (1689, 11040), (1840, 10134), (2070, 9008), (2208, 8445), (2252, 8280), (2760, 6756), (2815, 6624), (3312, 5630), (3378, 5520), (3680, 5067), (4140, 4504)]