319521540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31511}}^1$

素因数の和:31549

約数の個数: 72

約数和(自身を含む): 968804928

約数和(自身を除く): 649283388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 31511, 63022, 94533, 126044, 157555, 189066, 315110, 378132, 409643, 472665, 630220, 819286, 945330, 1228929, 1638572, 1890660, 2048215, 2457858, 4096430, 4915716, 5325359, 6144645, 8192860, 10650718, 12289290, 15976077, 21301436, 24578580, 26626795, 31952154, 53253590, 63904308, 79880385, 106507180, 159760770, 319521540]

約数ペア:

[(1, 319521540), (2, 159760770), (3, 106507180), (4, 79880385), (5, 63904308), (6, 53253590), (10, 31952154), (12, 26626795), (13, 24578580), (15, 21301436), (20, 15976077), (26, 12289290), (30, 10650718), (39, 8192860), (52, 6144645), (60, 5325359), (65, 4915716), (78, 4096430), (130, 2457858), (156, 2048215), (169, 1890660), (195, 1638572), (260, 1228929), (338, 945330), (390, 819286), (507, 630220), (676, 472665), (780, 409643), (845, 378132), (1014, 315110), (1690, 189066), (2028, 157555), (2535, 126044), (3380, 94533), (5070, 63022), (10140, 31511)]