18577440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 288

約数和(自身を含む): 77051520

約数和(自身を除く): 58474080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 97, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 194, 210, 224, 228, 240, 252, 266, 280, 285, 288, 291, 304, 315, 336, 342, 360, 380, 388, 399, 420, 456, 480, 485, 504, 532, 560, 570, 582, 608, 630, 665, 672, 679, 684, 720, 760, 776, 798, 840, 855, 873, 912, 970, 1008, 1064, 1120, 1140, 1164, 1197, 1260, 1330, 1358, 1368, 1440, 1455, 1520, 1552, 1596, 1680, 1710, 1746, 1824, 1843, 1940, 1995, 2016, 2037, 2128, 2280, 2328, 2394, 2520, 2660, 2716, 2736, 2910, 3040, 3104, 3192, 3360, 3395, 3420, 3492, 3686, 3880, 3990, 4074, 4256, 4365, 4560, 4656, 4788, 5040, 5320, 5432, 5472, 5529, 5820, 5985, 6111, 6384, 6790, 6840, 6984, 7372, 7760, 7980, 8148, 8730, 9120, 9215, 9312, 9576, 10080, 10185, 10640, 10864, 11058, 11640, 11970, 12222, 12768, 12901, 13580, 13680, 13968, 14744, 15520, 15960, 16296, 16587, 17460, 18430, 19152, 20370, 21280, 21728, 22116, 23280, 23940, 24444, 25802, 27160, 27360, 27645, 27936, 29488, 30555, 31920, 32592, 33174, 34920, 36860, 38304, 38703, 40740, 44232, 46560, 47880, 48888, 51604, 54320, 55290, 58976, 61110, 63840, 64505, 65184, 66348, 69840, 73720, 77406, 81480, 82935, 88464, 95760, 97776, 103208, 108640, 110580, 116109, 122220, 129010, 132696, 139680, 147440, 154812, 162960, 165870, 176928, 191520, 193515, 195552, 206416, 221160, 232218, 244440, 258020, 265392, 294880, 309624, 325920, 331740, 387030, 412832, 442320, 464436, 488880, 516040, 530784, 580545, 619248, 663480, 774060, 884640, 928872, 977760, 1032080, 1161090, 1238496, 1326960, 1548120, 1857744, 2064160, 2322180, 2653920, 3096240, 3715488, 4644360, 6192480, 9288720, 18577440]

約数ペア:

[(1, 18577440), (2, 9288720), (3, 6192480), (4, 4644360), (5, 3715488), (6, 3096240), (7, 2653920), (8, 2322180), (9, 2064160), (10, 1857744), (12, 1548120), (14, 1326960), (15, 1238496), (16, 1161090), (18, 1032080), (19, 977760), (20, 928872), (21, 884640), (24, 774060), (28, 663480), (30, 619248), (32, 580545), (35, 530784), (36, 516040), (38, 488880), (40, 464436), (42, 442320), (45, 412832), (48, 387030), (56, 331740), (57, 325920), (60, 309624), (63, 294880), (70, 265392), (72, 258020), (76, 244440), (80, 232218), (84, 221160), (90, 206416), (95, 195552), (96, 193515), (97, 191520), (105, 176928), (112, 165870), (114, 162960), (120, 154812), (126, 147440), (133, 139680), (140, 132696), (144, 129010), (152, 122220), (160, 116109), (168, 110580), (171, 108640), (180, 103208), (190, 97776), (194, 95760), (210, 88464), (224, 82935), (228, 81480), (240, 77406), (252, 73720), (266, 69840), (280, 66348), (285, 65184), (288, 64505), (291, 63840), (304, 61110), (315, 58976), (336, 55290), (342, 54320), (360, 51604), (380, 48888), (388, 47880), (399, 46560), (420, 44232), (456, 40740), (480, 38703), (485, 38304), (504, 36860), (532, 34920), (560, 33174), (570, 32592), (582, 31920), (608, 30555), (630, 29488), (665, 27936), (672, 27645), (679, 27360), (684, 27160), (720, 25802), (760, 24444), (776, 23940), (798, 23280), (840, 22116), (855, 21728), (873, 21280), (912, 20370), (970, 19152), (1008, 18430), (1064, 17460), (1120, 16587), (1140, 16296), (1164, 15960), (1197, 15520), (1260, 14744), (1330, 13968), (1358, 13680), (1368, 13580), (1440, 12901), (1455, 12768), (1520, 12222), (1552, 11970), (1596, 11640), (1680, 11058), (1710, 10864), (1746, 10640), (1824, 10185), (1843, 10080), (1940, 9576), (1995, 9312), (2016, 9215), (2037, 9120), (2128, 8730), (2280, 8148), (2328, 7980), (2394, 7760), (2520, 7372), (2660, 6984), (2716, 6840), (2736, 6790), (2910, 6384), (3040, 6111), (3104, 5985), (3192, 5820), (3360, 5529), (3395, 5472), (3420, 5432), (3492, 5320), (3686, 5040), (3880, 4788), (3990, 4656), (4074, 4560), (4256, 4365)]