131023620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 288

約数和(自身を含む): 516122880

約数和(自身を除く): 385099260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 421, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 842, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1263, 1330, 1365, 1482, 1596, 1638, 1684, 1710, 1729, 1820, 1995, 2105, 2223, 2340, 2394, 2470, 2526, 2660, 2730, 2947, 2964, 3276, 3420, 3458, 3705, 3789, 3990, 4095, 4210, 4446, 4788, 4940, 5052, 5187, 5460, 5473, 5894, 5985, 6315, 6916, 7410, 7578, 7980, 7999, 8190, 8420, 8645, 8841, 8892, 10374, 10946, 11115, 11788, 11970, 12630, 14735, 14820, 15156, 15561, 15998, 16380, 16419, 17290, 17682, 18945, 20748, 21892, 22230, 23940, 23997, 25260, 25935, 26523, 27365, 29470, 31122, 31996, 32838, 34580, 35364, 37890, 38311, 39995, 44205, 44460, 47994, 49257, 51870, 53046, 54730, 55993, 58940, 62244, 65676, 71991, 75780, 76622, 77805, 79990, 82095, 88410, 95988, 98514, 103740, 103987, 106092, 109460, 111986, 114933, 119985, 132615, 143982, 153244, 155610, 159980, 164190, 167979, 176820, 191555, 197028, 207974, 223972, 229866, 239970, 246285, 265230, 279965, 287964, 311220, 311961, 328380, 335958, 344799, 359955, 383110, 415948, 459732, 479940, 492570, 503937, 519935, 530460, 559930, 574665, 623922, 671916, 689598, 719910, 727909, 766220, 839895, 935883, 985140, 1007874, 1039870, 1119860, 1149330, 1247844, 1379196, 1439820, 1455818, 1559805, 1679790, 1723995, 1871766, 2015748, 2079740, 2183727, 2298660, 2519685, 2911636, 3119610, 3359580, 3447990, 3639545, 3743532, 4367454, 4679415, 5039370, 6239220, 6551181, 6895980, 7279090, 8734908, 9358830, 10078740, 10918635, 13102362, 14558180, 18717660, 21837270, 26204724, 32755905, 43674540, 65511810, 131023620]

約数ペア:

[(1, 131023620), (2, 65511810), (3, 43674540), (4, 32755905), (5, 26204724), (6, 21837270), (7, 18717660), (9, 14558180), (10, 13102362), (12, 10918635), (13, 10078740), (14, 9358830), (15, 8734908), (18, 7279090), (19, 6895980), (20, 6551181), (21, 6239220), (26, 5039370), (28, 4679415), (30, 4367454), (35, 3743532), (36, 3639545), (38, 3447990), (39, 3359580), (42, 3119610), (45, 2911636), (52, 2519685), (57, 2298660), (60, 2183727), (63, 2079740), (65, 2015748), (70, 1871766), (76, 1723995), (78, 1679790), (84, 1559805), (90, 1455818), (91, 1439820), (95, 1379196), (105, 1247844), (114, 1149330), (117, 1119860), (126, 1039870), (130, 1007874), (133, 985140), (140, 935883), (156, 839895), (171, 766220), (180, 727909), (182, 719910), (190, 689598), (195, 671916), (210, 623922), (228, 574665), (234, 559930), (247, 530460), (252, 519935), (260, 503937), (266, 492570), (273, 479940), (285, 459732), (315, 415948), (342, 383110), (364, 359955), (380, 344799), (390, 335958), (399, 328380), (420, 311961), (421, 311220), (455, 287964), (468, 279965), (494, 265230), (532, 246285), (546, 239970), (570, 229866), (585, 223972), (630, 207974), (665, 197028), (684, 191555), (741, 176820), (780, 167979), (798, 164190), (819, 159980), (842, 155610), (855, 153244), (910, 143982), (988, 132615), (1092, 119985), (1140, 114933), (1170, 111986), (1197, 109460), (1235, 106092), (1260, 103987), (1263, 103740), (1330, 98514), (1365, 95988), (1482, 88410), (1596, 82095), (1638, 79990), (1684, 77805), (1710, 76622), (1729, 75780), (1820, 71991), (1995, 65676), (2105, 62244), (2223, 58940), (2340, 55993), (2394, 54730), (2470, 53046), (2526, 51870), (2660, 49257), (2730, 47994), (2947, 44460), (2964, 44205), (3276, 39995), (3420, 38311), (3458, 37890), (3705, 35364), (3789, 34580), (3990, 32838), (4095, 31996), (4210, 31122), (4446, 29470), (4788, 27365), (4940, 26523), (5052, 25935), (5187, 25260), (5460, 23997), (5473, 23940), (5894, 22230), (5985, 21892), (6315, 20748), (6916, 18945), (7410, 17682), (7578, 17290), (7980, 16419), (7999, 16380), (8190, 15998), (8420, 15561), (8645, 15156), (8841, 14820), (8892, 14735), (10374, 12630), (10946, 11970), (11115, 11788)]