628744480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 288

約数和(自身を含む): 1930521600

約数和(自身を除く): 1301777120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 160, 182, 196, 199, 208, 217, 224, 245, 248, 260, 280, 310, 364, 392, 398, 403, 416, 434, 455, 490, 496, 520, 560, 620, 637, 728, 784, 796, 806, 868, 910, 980, 992, 995, 1040, 1085, 1120, 1240, 1274, 1393, 1456, 1519, 1568, 1592, 1612, 1736, 1820, 1960, 1990, 2015, 2080, 2170, 2480, 2548, 2587, 2786, 2821, 2912, 3038, 3184, 3185, 3224, 3472, 3640, 3920, 3980, 4030, 4340, 4960, 5096, 5174, 5572, 5642, 6076, 6169, 6368, 6370, 6448, 6944, 6965, 7280, 7595, 7840, 7960, 8060, 8680, 9751, 10192, 10348, 11144, 11284, 12152, 12338, 12740, 12896, 12935, 13930, 14105, 14560, 15190, 15920, 16120, 17360, 18109, 19502, 19747, 20384, 20696, 22288, 22568, 24304, 24676, 25480, 25870, 27860, 28210, 30380, 30845, 31840, 32240, 34720, 36218, 39004, 39494, 41392, 43183, 44576, 45136, 48608, 48755, 49352, 50960, 51740, 55720, 56420, 60760, 61690, 64480, 72436, 78008, 78988, 80197, 82784, 86366, 90272, 90545, 97510, 98704, 98735, 101920, 103480, 111440, 112840, 121520, 123380, 126763, 144872, 156016, 157976, 160394, 172732, 181090, 195020, 197408, 197470, 206960, 215915, 222880, 225680, 243040, 246760, 253526, 289744, 302281, 312032, 315952, 320788, 345464, 362180, 390040, 394940, 400985, 413920, 431830, 451360, 493520, 507052, 561379, 579488, 604562, 631904, 633815, 641576, 690928, 724360, 780080, 789880, 801970, 863660, 987040, 1014104, 1122758, 1209124, 1267630, 1283152, 1381856, 1448720, 1511405, 1560160, 1579760, 1603940, 1727320, 2028208, 2245516, 2418248, 2535260, 2566304, 2806895, 2897440, 3022810, 3159520, 3207880, 3454640, 3929653, 4056416, 4491032, 4836496, 5070520, 5613790, 6045620, 6415760, 6909280, 7859306, 8982064, 9672992, 10141040, 11227580, 12091240, 12831520, 15718612, 17964128, 19648265, 20282080, 22455160, 24182480, 31437224, 39296530, 44910320, 48364960, 62874448, 78593060, 89820640, 125748896, 157186120, 314372240, 628744480]

約数ペア:

[(1, 628744480), (2, 314372240), (4, 157186120), (5, 125748896), (7, 89820640), (8, 78593060), (10, 62874448), (13, 48364960), (14, 44910320), (16, 39296530), (20, 31437224), (26, 24182480), (28, 22455160), (31, 20282080), (32, 19648265), (35, 17964128), (40, 15718612), (49, 12831520), (52, 12091240), (56, 11227580), (62, 10141040), (65, 9672992), (70, 8982064), (80, 7859306), (91, 6909280), (98, 6415760), (104, 6045620), (112, 5613790), (124, 5070520), (130, 4836496), (140, 4491032), (155, 4056416), (160, 3929653), (182, 3454640), (196, 3207880), (199, 3159520), (208, 3022810), (217, 2897440), (224, 2806895), (245, 2566304), (248, 2535260), (260, 2418248), (280, 2245516), (310, 2028208), (364, 1727320), (392, 1603940), (398, 1579760), (403, 1560160), (416, 1511405), (434, 1448720), (455, 1381856), (490, 1283152), (496, 1267630), (520, 1209124), (560, 1122758), (620, 1014104), (637, 987040), (728, 863660), (784, 801970), (796, 789880), (806, 780080), (868, 724360), (910, 690928), (980, 641576), (992, 633815), (995, 631904), (1040, 604562), (1085, 579488), (1120, 561379), (1240, 507052), (1274, 493520), (1393, 451360), (1456, 431830), (1519, 413920), (1568, 400985), (1592, 394940), (1612, 390040), (1736, 362180), (1820, 345464), (1960, 320788), (1990, 315952), (2015, 312032), (2080, 302281), (2170, 289744), (2480, 253526), (2548, 246760), (2587, 243040), (2786, 225680), (2821, 222880), (2912, 215915), (3038, 206960), (3184, 197470), (3185, 197408), (3224, 195020), (3472, 181090), (3640, 172732), (3920, 160394), (3980, 157976), (4030, 156016), (4340, 144872), (4960, 126763), (5096, 123380), (5174, 121520), (5572, 112840), (5642, 111440), (6076, 103480), (6169, 101920), (6368, 98735), (6370, 98704), (6448, 97510), (6944, 90545), (6965, 90272), (7280, 86366), (7595, 82784), (7840, 80197), (7960, 78988), (8060, 78008), (8680, 72436), (9751, 64480), (10192, 61690), (10348, 60760), (11144, 56420), (11284, 55720), (12152, 51740), (12338, 50960), (12740, 49352), (12896, 48755), (12935, 48608), (13930, 45136), (14105, 44576), (14560, 43183), (15190, 41392), (15920, 39494), (16120, 39004), (17360, 36218), (18109, 34720), (19502, 32240), (19747, 31840), (20384, 30845), (20696, 30380), (22288, 28210), (22568, 27860), (24304, 25870), (24676, 25480)]