90708660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 240

約数和(自身を含む): 343136640

約数和(自身を除く): 252427980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 324, 342, 378, 380, 399, 405, 420, 421, 513, 532, 540, 567, 570, 630, 665, 684, 756, 798, 810, 842, 855, 945, 1026, 1134, 1140, 1197, 1260, 1263, 1330, 1539, 1596, 1620, 1684, 1710, 1890, 1995, 2052, 2105, 2268, 2394, 2526, 2565, 2660, 2835, 2947, 3078, 3420, 3591, 3780, 3789, 3990, 4210, 4788, 5052, 5130, 5670, 5894, 5985, 6156, 6315, 7182, 7578, 7695, 7980, 7999, 8420, 8841, 10260, 10773, 11340, 11367, 11788, 11970, 12630, 14364, 14735, 15156, 15390, 15998, 17682, 17955, 18945, 21546, 22734, 23940, 23997, 25260, 26523, 29470, 30780, 31996, 34101, 35364, 35910, 37890, 39995, 43092, 44205, 45468, 47994, 53046, 53865, 55993, 56835, 58940, 68202, 71820, 71991, 75780, 79569, 79990, 88410, 95988, 106092, 107730, 111986, 113670, 119985, 132615, 136404, 143982, 159138, 159980, 167979, 170505, 176820, 215460, 215973, 223972, 227340, 238707, 239970, 265230, 279965, 287964, 318276, 335958, 341010, 359955, 397845, 431946, 477414, 479940, 503937, 530460, 559930, 647919, 671916, 682020, 719910, 795690, 839895, 863892, 954828, 1007874, 1079865, 1119860, 1193535, 1295838, 1439820, 1511811, 1591380, 1679790, 2015748, 2159730, 2387070, 2519685, 2591676, 3023622, 3239595, 3359580, 4319460, 4535433, 4774140, 5039370, 6047244, 6479190, 7559055, 9070866, 10078740, 12958380, 15118110, 18141732, 22677165, 30236220, 45354330, 90708660]

約数ペア:

[(1, 90708660), (2, 45354330), (3, 30236220), (4, 22677165), (5, 18141732), (6, 15118110), (7, 12958380), (9, 10078740), (10, 9070866), (12, 7559055), (14, 6479190), (15, 6047244), (18, 5039370), (19, 4774140), (20, 4535433), (21, 4319460), (27, 3359580), (28, 3239595), (30, 3023622), (35, 2591676), (36, 2519685), (38, 2387070), (42, 2159730), (45, 2015748), (54, 1679790), (57, 1591380), (60, 1511811), (63, 1439820), (70, 1295838), (76, 1193535), (81, 1119860), (84, 1079865), (90, 1007874), (95, 954828), (105, 863892), (108, 839895), (114, 795690), (126, 719910), (133, 682020), (135, 671916), (140, 647919), (162, 559930), (171, 530460), (180, 503937), (189, 479940), (190, 477414), (210, 431946), (228, 397845), (252, 359955), (266, 341010), (270, 335958), (285, 318276), (315, 287964), (324, 279965), (342, 265230), (378, 239970), (380, 238707), (399, 227340), (405, 223972), (420, 215973), (421, 215460), (513, 176820), (532, 170505), (540, 167979), (567, 159980), (570, 159138), (630, 143982), (665, 136404), (684, 132615), (756, 119985), (798, 113670), (810, 111986), (842, 107730), (855, 106092), (945, 95988), (1026, 88410), (1134, 79990), (1140, 79569), (1197, 75780), (1260, 71991), (1263, 71820), (1330, 68202), (1539, 58940), (1596, 56835), (1620, 55993), (1684, 53865), (1710, 53046), (1890, 47994), (1995, 45468), (2052, 44205), (2105, 43092), (2268, 39995), (2394, 37890), (2526, 35910), (2565, 35364), (2660, 34101), (2835, 31996), (2947, 30780), (3078, 29470), (3420, 26523), (3591, 25260), (3780, 23997), (3789, 23940), (3990, 22734), (4210, 21546), (4788, 18945), (5052, 17955), (5130, 17682), (5670, 15998), (5894, 15390), (5985, 15156), (6156, 14735), (6315, 14364), (7182, 12630), (7578, 11970), (7695, 11788), (7980, 11367), (7999, 11340), (8420, 10773), (8841, 10260)]