131809860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{619}}^1$

素因数の和:667

約数の個数: 216

約数和(自身を含む): 495593280

約数和(自身を除く): 363783420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 619, 630, 676, 780, 819, 845, 910, 1014, 1092, 1170, 1183, 1238, 1260, 1365, 1521, 1638, 1690, 1820, 1857, 2028, 2340, 2366, 2476, 2535, 2730, 3042, 3095, 3276, 3380, 3549, 3714, 4095, 4333, 4732, 5070, 5460, 5571, 5915, 6084, 6190, 7098, 7428, 7605, 8047, 8190, 8666, 9285, 10140, 10647, 11142, 11830, 12380, 12999, 14196, 15210, 16094, 16380, 17332, 17745, 18570, 21294, 21665, 22284, 23660, 24141, 25998, 27855, 30420, 32188, 35490, 37140, 38997, 40235, 42588, 43330, 48282, 51996, 53235, 55710, 56329, 64995, 70980, 72423, 77994, 80470, 86660, 96564, 104611, 106470, 111420, 112658, 120705, 129990, 144846, 155988, 160940, 168987, 194985, 209222, 212940, 225316, 241410, 259980, 281645, 289692, 313833, 337974, 362115, 389970, 418444, 482820, 506961, 523055, 563290, 627666, 675948, 724230, 732277, 779940, 844935, 941499, 1013922, 1046110, 1126580, 1255332, 1448460, 1464554, 1569165, 1689870, 1882998, 2027844, 2092220, 2196831, 2534805, 2929108, 3138330, 3379740, 3661385, 3765996, 4393662, 4707495, 5069610, 6276660, 6590493, 7322770, 8787324, 9414990, 10139220, 10984155, 13180986, 14645540, 18829980, 21968310, 26361972, 32952465, 43936620, 65904930, 131809860]

約数ペア:

[(1, 131809860), (2, 65904930), (3, 43936620), (4, 32952465), (5, 26361972), (6, 21968310), (7, 18829980), (9, 14645540), (10, 13180986), (12, 10984155), (13, 10139220), (14, 9414990), (15, 8787324), (18, 7322770), (20, 6590493), (21, 6276660), (26, 5069610), (28, 4707495), (30, 4393662), (35, 3765996), (36, 3661385), (39, 3379740), (42, 3138330), (45, 2929108), (52, 2534805), (60, 2196831), (63, 2092220), (65, 2027844), (70, 1882998), (78, 1689870), (84, 1569165), (90, 1464554), (91, 1448460), (105, 1255332), (117, 1126580), (126, 1046110), (130, 1013922), (140, 941499), (156, 844935), (169, 779940), (180, 732277), (182, 724230), (195, 675948), (210, 627666), (234, 563290), (252, 523055), (260, 506961), (273, 482820), (315, 418444), (338, 389970), (364, 362115), (390, 337974), (420, 313833), (455, 289692), (468, 281645), (507, 259980), (546, 241410), (585, 225316), (619, 212940), (630, 209222), (676, 194985), (780, 168987), (819, 160940), (845, 155988), (910, 144846), (1014, 129990), (1092, 120705), (1170, 112658), (1183, 111420), (1238, 106470), (1260, 104611), (1365, 96564), (1521, 86660), (1638, 80470), (1690, 77994), (1820, 72423), (1857, 70980), (2028, 64995), (2340, 56329), (2366, 55710), (2476, 53235), (2535, 51996), (2730, 48282), (3042, 43330), (3095, 42588), (3276, 40235), (3380, 38997), (3549, 37140), (3714, 35490), (4095, 32188), (4333, 30420), (4732, 27855), (5070, 25998), (5460, 24141), (5571, 23660), (5915, 22284), (6084, 21665), (6190, 21294), (7098, 18570), (7428, 17745), (7605, 17332), (8047, 16380), (8190, 16094), (8666, 15210), (9285, 14196), (10140, 12999), (10647, 12380), (11142, 11830)]