131931540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4337}}^1$

素因数の和:4378

約数の個数: 108

約数和(自身を含む): 433444284

約数和(自身を除く): 301512744

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 4337, 5070, 6084, 7605, 8674, 10140, 13011, 15210, 17348, 21685, 26022, 30420, 39033, 43370, 52044, 56381, 65055, 78066, 86740, 112762, 130110, 156132, 169143, 195165, 225524, 260220, 281905, 338286, 390330, 507429, 563810, 676572, 732953, 780660, 845715, 1014858, 1127620, 1465906, 1691430, 2029716, 2198859, 2537145, 2931812, 3382860, 3664765, 4397718, 5074290, 6596577, 7329530, 8795436, 10148580, 10994295, 13193154, 14659060, 21988590, 26386308, 32982885, 43977180, 65965770, 131931540]

約数ペア:

[(1, 131931540), (2, 65965770), (3, 43977180), (4, 32982885), (5, 26386308), (6, 21988590), (9, 14659060), (10, 13193154), (12, 10994295), (13, 10148580), (15, 8795436), (18, 7329530), (20, 6596577), (26, 5074290), (30, 4397718), (36, 3664765), (39, 3382860), (45, 2931812), (52, 2537145), (60, 2198859), (65, 2029716), (78, 1691430), (90, 1465906), (117, 1127620), (130, 1014858), (156, 845715), (169, 780660), (180, 732953), (195, 676572), (234, 563810), (260, 507429), (338, 390330), (390, 338286), (468, 281905), (507, 260220), (585, 225524), (676, 195165), (780, 169143), (845, 156132), (1014, 130110), (1170, 112762), (1521, 86740), (1690, 78066), (2028, 65055), (2340, 56381), (2535, 52044), (3042, 43370), (3380, 39033), (4337, 30420), (5070, 26022), (6084, 21685), (7605, 17348), (8674, 15210), (10140, 13011)]