1722240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 192

約数和(自身を含む): 6683040

約数和(自身を除く): 4960800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 64, 65, 69, 72, 78, 80, 90, 92, 96, 104, 115, 117, 120, 128, 130, 138, 144, 156, 160, 180, 184, 192, 195, 207, 208, 230, 234, 240, 260, 276, 288, 299, 312, 320, 345, 360, 368, 384, 390, 414, 416, 460, 468, 480, 520, 552, 576, 585, 598, 624, 640, 690, 720, 736, 780, 828, 832, 897, 920, 936, 960, 1035, 1040, 1104, 1152, 1170, 1196, 1248, 1380, 1440, 1472, 1495, 1560, 1656, 1664, 1794, 1840, 1872, 1920, 2070, 2080, 2208, 2340, 2392, 2496, 2691, 2760, 2880, 2944, 2990, 3120, 3312, 3588, 3680, 3744, 4140, 4160, 4416, 4485, 4680, 4784, 4992, 5382, 5520, 5760, 5980, 6240, 6624, 7176, 7360, 7488, 8280, 8320, 8832, 8970, 9360, 9568, 10764, 11040, 11960, 12480, 13248, 13455, 14352, 14720, 14976, 16560, 17940, 18720, 19136, 21528, 22080, 23920, 24960, 26496, 26910, 28704, 33120, 35880, 37440, 38272, 43056, 44160, 47840, 53820, 57408, 66240, 71760, 74880, 86112, 95680, 107640, 114816, 132480, 143520, 172224, 191360, 215280, 287040, 344448, 430560, 574080, 861120, 1722240]

約数ペア:

[(1, 1722240), (2, 861120), (3, 574080), (4, 430560), (5, 344448), (6, 287040), (8, 215280), (9, 191360), (10, 172224), (12, 143520), (13, 132480), (15, 114816), (16, 107640), (18, 95680), (20, 86112), (23, 74880), (24, 71760), (26, 66240), (30, 57408), (32, 53820), (36, 47840), (39, 44160), (40, 43056), (45, 38272), (46, 37440), (48, 35880), (52, 33120), (60, 28704), (64, 26910), (65, 26496), (69, 24960), (72, 23920), (78, 22080), (80, 21528), (90, 19136), (92, 18720), (96, 17940), (104, 16560), (115, 14976), (117, 14720), (120, 14352), (128, 13455), (130, 13248), (138, 12480), (144, 11960), (156, 11040), (160, 10764), (180, 9568), (184, 9360), (192, 8970), (195, 8832), (207, 8320), (208, 8280), (230, 7488), (234, 7360), (240, 7176), (260, 6624), (276, 6240), (288, 5980), (299, 5760), (312, 5520), (320, 5382), (345, 4992), (360, 4784), (368, 4680), (384, 4485), (390, 4416), (414, 4160), (416, 4140), (460, 3744), (468, 3680), (480, 3588), (520, 3312), (552, 3120), (576, 2990), (585, 2944), (598, 2880), (624, 2760), (640, 2691), (690, 2496), (720, 2392), (736, 2340), (780, 2208), (828, 2080), (832, 2070), (897, 1920), (920, 1872), (936, 1840), (960, 1794), (1035, 1664), (1040, 1656), (1104, 1560), (1152, 1495), (1170, 1472), (1196, 1440), (1248, 1380)]