320997924

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 924369600

約数和(自身を除く): 603371676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 43, 52, 54, 78, 86, 108, 117, 129, 156, 169, 172, 234, 258, 338, 351, 387, 409, 468, 507, 516, 559, 676, 702, 774, 818, 1014, 1118, 1161, 1227, 1404, 1521, 1548, 1636, 1677, 2028, 2236, 2322, 2454, 3042, 3354, 3681, 4563, 4644, 4908, 5031, 5317, 6084, 6708, 7267, 7362, 9126, 10062, 10634, 11043, 14534, 14724, 15093, 15951, 17587, 18252, 20124, 21268, 21801, 22086, 29068, 30186, 31902, 35174, 43602, 44172, 47853, 52761, 60372, 63804, 65403, 69121, 70348, 87204, 95706, 105522, 130806, 138242, 143559, 158283, 191412, 196209, 207363, 211044, 228631, 261612, 276484, 287118, 316566, 392418, 414726, 457262, 474849, 574236, 622089, 633132, 685893, 784836, 829452, 914524, 949698, 1244178, 1371786, 1866267, 1899396, 2057679, 2488356, 2743572, 2972203, 3732534, 4115358, 5944406, 6173037, 7465068, 8230716, 8916609, 11888812, 12346074, 17833218, 24692148, 26749827, 35666436, 53499654, 80249481, 106999308, 160498962, 320997924]

約数ペア:

[(1, 320997924), (2, 160498962), (3, 106999308), (4, 80249481), (6, 53499654), (9, 35666436), (12, 26749827), (13, 24692148), (18, 17833218), (26, 12346074), (27, 11888812), (36, 8916609), (39, 8230716), (43, 7465068), (52, 6173037), (54, 5944406), (78, 4115358), (86, 3732534), (108, 2972203), (117, 2743572), (129, 2488356), (156, 2057679), (169, 1899396), (172, 1866267), (234, 1371786), (258, 1244178), (338, 949698), (351, 914524), (387, 829452), (409, 784836), (468, 685893), (507, 633132), (516, 622089), (559, 574236), (676, 474849), (702, 457262), (774, 414726), (818, 392418), (1014, 316566), (1118, 287118), (1161, 276484), (1227, 261612), (1404, 228631), (1521, 211044), (1548, 207363), (1636, 196209), (1677, 191412), (2028, 158283), (2236, 143559), (2322, 138242), (2454, 130806), (3042, 105522), (3354, 95706), (3681, 87204), (4563, 70348), (4644, 69121), (4908, 65403), (5031, 63804), (5317, 60372), (6084, 52761), (6708, 47853), (7267, 44172), (7362, 43602), (9126, 35174), (10062, 31902), (10634, 30186), (11043, 29068), (14534, 22086), (14724, 21801), (15093, 21268), (15951, 20124), (17587, 18252)]