17990280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 74692800

約数和(自身を除く): 56702520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 59, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 118, 120, 121, 126, 132, 140, 154, 165, 168, 177, 180, 198, 210, 220, 231, 236, 242, 252, 264, 280, 295, 308, 315, 330, 354, 360, 363, 385, 396, 413, 420, 440, 462, 472, 484, 495, 504, 531, 590, 605, 616, 630, 649, 660, 693, 708, 726, 770, 792, 826, 840, 847, 885, 924, 968, 990, 1062, 1089, 1155, 1180, 1210, 1239, 1260, 1298, 1320, 1386, 1416, 1452, 1540, 1652, 1694, 1770, 1815, 1848, 1947, 1980, 2065, 2124, 2178, 2310, 2360, 2420, 2478, 2520, 2541, 2596, 2655, 2772, 2904, 3080, 3245, 3304, 3388, 3465, 3540, 3630, 3717, 3894, 3960, 4130, 4235, 4248, 4356, 4543, 4620, 4840, 4956, 5082, 5192, 5310, 5445, 5544, 5841, 6195, 6490, 6776, 6930, 7080, 7139, 7260, 7434, 7623, 7788, 8260, 8470, 8712, 9086, 9240, 9735, 9912, 10164, 10620, 10890, 11682, 12390, 12705, 12980, 13629, 13860, 14278, 14520, 14868, 15246, 15576, 16520, 16940, 18172, 18585, 19470, 20328, 21240, 21417, 21780, 22715, 23364, 24780, 25410, 25960, 27258, 27720, 28556, 29205, 29736, 30492, 33880, 35695, 36344, 37170, 38115, 38940, 40887, 42834, 43560, 45430, 46728, 49560, 49973, 50820, 54516, 57112, 58410, 60984, 64251, 68145, 71390, 74340, 76230, 77880, 81774, 85668, 90860, 99946, 101640, 107085, 109032, 116820, 128502, 136290, 142780, 148680, 149919, 152460, 163548, 171336, 181720, 199892, 204435, 214170, 233640, 249865, 257004, 272580, 285560, 299838, 304920, 321255, 327096, 399784, 408870, 428340, 449757, 499730, 514008, 545160, 599676, 642510, 749595, 817740, 856680, 899514, 999460, 1199352, 1285020, 1499190, 1635480, 1799028, 1998920, 2248785, 2570040, 2998380, 3598056, 4497570, 5996760, 8995140, 17990280]

約数ペア:

[(1, 17990280), (2, 8995140), (3, 5996760), (4, 4497570), (5, 3598056), (6, 2998380), (7, 2570040), (8, 2248785), (9, 1998920), (10, 1799028), (11, 1635480), (12, 1499190), (14, 1285020), (15, 1199352), (18, 999460), (20, 899514), (21, 856680), (22, 817740), (24, 749595), (28, 642510), (30, 599676), (33, 545160), (35, 514008), (36, 499730), (40, 449757), (42, 428340), (44, 408870), (45, 399784), (55, 327096), (56, 321255), (59, 304920), (60, 299838), (63, 285560), (66, 272580), (70, 257004), (72, 249865), (77, 233640), (84, 214170), (88, 204435), (90, 199892), (99, 181720), (105, 171336), (110, 163548), (118, 152460), (120, 149919), (121, 148680), (126, 142780), (132, 136290), (140, 128502), (154, 116820), (165, 109032), (168, 107085), (177, 101640), (180, 99946), (198, 90860), (210, 85668), (220, 81774), (231, 77880), (236, 76230), (242, 74340), (252, 71390), (264, 68145), (280, 64251), (295, 60984), (308, 58410), (315, 57112), (330, 54516), (354, 50820), (360, 49973), (363, 49560), (385, 46728), (396, 45430), (413, 43560), (420, 42834), (440, 40887), (462, 38940), (472, 38115), (484, 37170), (495, 36344), (504, 35695), (531, 33880), (590, 30492), (605, 29736), (616, 29205), (630, 28556), (649, 27720), (660, 27258), (693, 25960), (708, 25410), (726, 24780), (770, 23364), (792, 22715), (826, 21780), (840, 21417), (847, 21240), (885, 20328), (924, 19470), (968, 18585), (990, 18172), (1062, 16940), (1089, 16520), (1155, 15576), (1180, 15246), (1210, 14868), (1239, 14520), (1260, 14278), (1298, 13860), (1320, 13629), (1386, 12980), (1416, 12705), (1452, 12390), (1540, 11682), (1652, 10890), (1694, 10620), (1770, 10164), (1815, 9912), (1848, 9735), (1947, 9240), (1980, 9086), (2065, 8712), (2124, 8470), (2178, 8260), (2310, 7788), (2360, 7623), (2420, 7434), (2478, 7260), (2520, 7139), (2541, 7080), (2596, 6930), (2655, 6776), (2772, 6490), (2904, 6195), (3080, 5841), (3245, 5544), (3304, 5445), (3388, 5310), (3465, 5192), (3540, 5082), (3630, 4956), (3717, 4840), (3894, 4620), (3960, 4543), (4130, 4356), (4235, 4248)]