161002980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7043}}^1$

素因数の和:7185

約数の個数: 72

約数和(自身を含む): 492291072

約数和(自身を除く): 331288092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7043, 7620, 11430, 14086, 21129, 22860, 28172, 35215, 42258, 63387, 70430, 84516, 105645, 126774, 140860, 211290, 253548, 316935, 422580, 633870, 894461, 1267740, 1788922, 2683383, 3577844, 4472305, 5366766, 8050149, 8944610, 10733532, 13416915, 16100298, 17889220, 26833830, 32200596, 40250745, 53667660, 80501490, 161002980]

約数ペア:

[(1, 161002980), (2, 80501490), (3, 53667660), (4, 40250745), (5, 32200596), (6, 26833830), (9, 17889220), (10, 16100298), (12, 13416915), (15, 10733532), (18, 8944610), (20, 8050149), (30, 5366766), (36, 4472305), (45, 3577844), (60, 2683383), (90, 1788922), (127, 1267740), (180, 894461), (254, 633870), (381, 422580), (508, 316935), (635, 253548), (762, 211290), (1143, 140860), (1270, 126774), (1524, 105645), (1905, 84516), (2286, 70430), (2540, 63387), (3810, 42258), (4572, 35215), (5715, 28172), (7043, 22860), (7620, 21129), (11430, 14086)]