128186370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^2$

素因数の和:688

約数の個数: 72

約数和(自身を含む): 360009468

約数和(自身を除く): 231823098

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 331, 390, 585, 662, 993, 1170, 1655, 1986, 2979, 3310, 4303, 4965, 5958, 8606, 9930, 12909, 14895, 21515, 25818, 29790, 38727, 43030, 64545, 77454, 109561, 129090, 193635, 219122, 328683, 387270, 547805, 657366, 986049, 1095610, 1424293, 1643415, 1972098, 2848586, 3286830, 4272879, 4930245, 7121465, 8545758, 9860490, 12818637, 14242930, 21364395, 25637274, 42728790, 64093185, 128186370]

約数ペア:

[(1, 128186370), (2, 64093185), (3, 42728790), (5, 25637274), (6, 21364395), (9, 14242930), (10, 12818637), (13, 9860490), (15, 8545758), (18, 7121465), (26, 4930245), (30, 4272879), (39, 3286830), (45, 2848586), (65, 1972098), (78, 1643415), (90, 1424293), (117, 1095610), (130, 986049), (195, 657366), (234, 547805), (331, 387270), (390, 328683), (585, 219122), (662, 193635), (993, 129090), (1170, 109561), (1655, 77454), (1986, 64545), (2979, 43030), (3310, 38727), (4303, 29790), (4965, 25818), (5958, 21515), (8606, 14895), (9930, 12909)]