728941440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 256

約数和(自身を含む): 2470717440

約数和(自身を除く): 1741776000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 37, 40, 48, 60, 62, 64, 74, 80, 93, 96, 111, 120, 124, 128, 148, 155, 160, 185, 186, 192, 222, 240, 248, 296, 310, 320, 331, 370, 372, 384, 444, 465, 480, 496, 555, 592, 620, 640, 662, 740, 744, 888, 930, 960, 992, 993, 1110, 1147, 1184, 1240, 1324, 1480, 1488, 1655, 1776, 1860, 1920, 1984, 1986, 2220, 2294, 2368, 2480, 2648, 2960, 2976, 3310, 3441, 3552, 3720, 3968, 3972, 4440, 4588, 4736, 4960, 4965, 5296, 5735, 5920, 5952, 6620, 6882, 7104, 7440, 7944, 8880, 9176, 9920, 9930, 10261, 10592, 11470, 11840, 11904, 12247, 13240, 13764, 14208, 14880, 15888, 17205, 17760, 18352, 19840, 19860, 20522, 21184, 22940, 23680, 24494, 26480, 27528, 29760, 30783, 31776, 34410, 35520, 36704, 36741, 39720, 41044, 42368, 45880, 48988, 51305, 52960, 55056, 59520, 61235, 61566, 63552, 68820, 71040, 73408, 73482, 79440, 82088, 91760, 97976, 102610, 105920, 110112, 122470, 123132, 127104, 137640, 146816, 146964, 153915, 158880, 164176, 183520, 183705, 195952, 205220, 211840, 220224, 244940, 246264, 275280, 293928, 307830, 317760, 328352, 367040, 367410, 379657, 391904, 410440, 440448, 489880, 492528, 550560, 587856, 615660, 635520, 656704, 734080, 734820, 759314, 783808, 820880, 979760, 985056, 1101120, 1138971, 1175712, 1231320, 1313408, 1469640, 1518628, 1567616, 1641760, 1898285, 1959520, 1970112, 2202240, 2277942, 2351424, 2462640, 2939280, 3037256, 3283520, 3796570, 3919040, 3940224, 4555884, 4702848, 4925280, 5694855, 5878560, 6074512, 6567040, 7593140, 7838080, 9111768, 9850560, 11389710, 11757120, 12149024, 15186280, 18223536, 19701120, 22779420, 23514240, 24298048, 30372560, 36447072, 45558840, 48596096, 60745120, 72894144, 91117680, 121490240, 145788288, 182235360, 242980480, 364470720, 728941440]

約数ペア:

[(1, 728941440), (2, 364470720), (3, 242980480), (4, 182235360), (5, 145788288), (6, 121490240), (8, 91117680), (10, 72894144), (12, 60745120), (15, 48596096), (16, 45558840), (20, 36447072), (24, 30372560), (30, 24298048), (31, 23514240), (32, 22779420), (37, 19701120), (40, 18223536), (48, 15186280), (60, 12149024), (62, 11757120), (64, 11389710), (74, 9850560), (80, 9111768), (93, 7838080), (96, 7593140), (111, 6567040), (120, 6074512), (124, 5878560), (128, 5694855), (148, 4925280), (155, 4702848), (160, 4555884), (185, 3940224), (186, 3919040), (192, 3796570), (222, 3283520), (240, 3037256), (248, 2939280), (296, 2462640), (310, 2351424), (320, 2277942), (331, 2202240), (370, 1970112), (372, 1959520), (384, 1898285), (444, 1641760), (465, 1567616), (480, 1518628), (496, 1469640), (555, 1313408), (592, 1231320), (620, 1175712), (640, 1138971), (662, 1101120), (740, 985056), (744, 979760), (888, 820880), (930, 783808), (960, 759314), (992, 734820), (993, 734080), (1110, 656704), (1147, 635520), (1184, 615660), (1240, 587856), (1324, 550560), (1480, 492528), (1488, 489880), (1655, 440448), (1776, 410440), (1860, 391904), (1920, 379657), (1984, 367410), (1986, 367040), (2220, 328352), (2294, 317760), (2368, 307830), (2480, 293928), (2648, 275280), (2960, 246264), (2976, 244940), (3310, 220224), (3441, 211840), (3552, 205220), (3720, 195952), (3968, 183705), (3972, 183520), (4440, 164176), (4588, 158880), (4736, 153915), (4960, 146964), (4965, 146816), (5296, 137640), (5735, 127104), (5920, 123132), (5952, 122470), (6620, 110112), (6882, 105920), (7104, 102610), (7440, 97976), (7944, 91760), (8880, 82088), (9176, 79440), (9920, 73482), (9930, 73408), (10261, 71040), (10592, 68820), (11470, 63552), (11840, 61566), (11904, 61235), (12247, 59520), (13240, 55056), (13764, 52960), (14208, 51305), (14880, 48988), (15888, 45880), (17205, 42368), (17760, 41044), (18352, 39720), (19840, 36741), (19860, 36704), (20522, 35520), (21184, 34410), (22940, 31776), (23680, 30783), (24494, 29760), (26480, 27528)]