262552640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 224

約数和(自身を含む): 780288000

約数和(自身を除く): 517735360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 64, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 199, 217, 224, 248, 266, 280, 304, 310, 320, 380, 398, 434, 448, 496, 532, 560, 589, 608, 620, 665, 760, 796, 868, 992, 995, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1393, 1520, 1592, 1736, 1984, 1990, 2128, 2170, 2240, 2356, 2480, 2660, 2786, 2945, 3040, 3184, 3472, 3781, 3980, 4123, 4256, 4340, 4712, 4960, 5320, 5572, 5890, 6080, 6169, 6368, 6944, 6965, 7562, 7960, 8246, 8512, 8680, 9424, 9920, 10640, 11144, 11780, 12338, 12736, 13888, 13930, 15124, 15920, 16492, 17360, 18848, 18905, 20615, 21280, 22288, 23560, 24676, 26467, 27860, 30248, 30845, 31840, 32984, 34720, 37696, 37810, 41230, 42560, 43183, 44576, 47120, 49352, 52934, 55720, 60496, 61690, 63680, 65968, 69440, 75620, 82460, 86366, 89152, 94240, 98704, 105868, 111440, 117211, 120992, 123380, 131936, 132335, 151240, 164920, 172732, 188480, 197408, 211736, 215915, 222880, 234422, 241984, 246760, 263872, 264670, 302480, 329840, 345464, 394816, 423472, 431830, 445760, 468844, 493520, 529340, 586055, 604960, 659680, 690928, 820477, 846944, 863660, 937688, 987040, 1058680, 1172110, 1209920, 1319360, 1381856, 1640954, 1693888, 1727320, 1875376, 1974080, 2117360, 2344220, 2763712, 3281908, 3454640, 3750752, 4102385, 4234720, 4688440, 6563816, 6909280, 7501504, 8204770, 8469440, 9376880, 13127632, 13818560, 16409540, 18753760, 26255264, 32819080, 37507520, 52510528, 65638160, 131276320, 262552640]

約数ペア:

[(1, 262552640), (2, 131276320), (4, 65638160), (5, 52510528), (7, 37507520), (8, 32819080), (10, 26255264), (14, 18753760), (16, 16409540), (19, 13818560), (20, 13127632), (28, 9376880), (31, 8469440), (32, 8204770), (35, 7501504), (38, 6909280), (40, 6563816), (56, 4688440), (62, 4234720), (64, 4102385), (70, 3750752), (76, 3454640), (80, 3281908), (95, 2763712), (112, 2344220), (124, 2117360), (133, 1974080), (140, 1875376), (152, 1727320), (155, 1693888), (160, 1640954), (190, 1381856), (199, 1319360), (217, 1209920), (224, 1172110), (248, 1058680), (266, 987040), (280, 937688), (304, 863660), (310, 846944), (320, 820477), (380, 690928), (398, 659680), (434, 604960), (448, 586055), (496, 529340), (532, 493520), (560, 468844), (589, 445760), (608, 431830), (620, 423472), (665, 394816), (760, 345464), (796, 329840), (868, 302480), (992, 264670), (995, 263872), (1064, 246760), (1085, 241984), (1120, 234422), (1178, 222880), (1216, 215915), (1240, 211736), (1330, 197408), (1393, 188480), (1520, 172732), (1592, 164920), (1736, 151240), (1984, 132335), (1990, 131936), (2128, 123380), (2170, 120992), (2240, 117211), (2356, 111440), (2480, 105868), (2660, 98704), (2786, 94240), (2945, 89152), (3040, 86366), (3184, 82460), (3472, 75620), (3781, 69440), (3980, 65968), (4123, 63680), (4256, 61690), (4340, 60496), (4712, 55720), (4960, 52934), (5320, 49352), (5572, 47120), (5890, 44576), (6080, 43183), (6169, 42560), (6368, 41230), (6944, 37810), (6965, 37696), (7562, 34720), (7960, 32984), (8246, 31840), (8512, 30845), (8680, 30248), (9424, 27860), (9920, 26467), (10640, 24676), (11144, 23560), (11780, 22288), (12338, 21280), (12736, 20615), (13888, 18905), (13930, 18848), (15124, 17360), (15920, 16492)]