618930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:72

約数の個数: 72

約数和(自身を含む): 1811628

約数和(自身を除く): 1192698

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 30, 39, 45, 46, 65, 69, 78, 90, 115, 117, 130, 138, 195, 207, 230, 234, 299, 345, 390, 414, 529, 585, 598, 690, 897, 1035, 1058, 1170, 1495, 1587, 1794, 2070, 2645, 2691, 2990, 3174, 4485, 4761, 5290, 5382, 6877, 7935, 8970, 9522, 13455, 13754, 15870, 20631, 23805, 26910, 34385, 41262, 47610, 61893, 68770, 103155, 123786, 206310, 309465, 618930]

約数ペア:

[(1, 618930), (2, 309465), (3, 206310), (5, 123786), (6, 103155), (9, 68770), (10, 61893), (13, 47610), (15, 41262), (18, 34385), (23, 26910), (26, 23805), (30, 20631), (39, 15870), (45, 13754), (46, 13455), (65, 9522), (69, 8970), (78, 7935), (90, 6877), (115, 5382), (117, 5290), (130, 4761), (138, 4485), (195, 3174), (207, 2990), (230, 2691), (234, 2645), (299, 2070), (345, 1794), (390, 1587), (414, 1495), (529, 1170), (585, 1058), (598, 1035), (690, 897)]