80408988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10687}}^1$

素因数の和:10727

約数の個数: 72

約数和(自身を含む): 233425920

約数和(自身を除く): 153016932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 3762, 7524, 10687, 21374, 32061, 42748, 64122, 96183, 117557, 128244, 192366, 203053, 235114, 352671, 384732, 406106, 470228, 609159, 705342, 812212, 1058013, 1218318, 1410684, 1827477, 2116026, 2233583, 2436636, 3654954, 4232052, 4467166, 6700749, 7309908, 8934332, 13401498, 20102247, 26802996, 40204494, 80408988]

約数ペア:

[(1, 80408988), (2, 40204494), (3, 26802996), (4, 20102247), (6, 13401498), (9, 8934332), (11, 7309908), (12, 6700749), (18, 4467166), (19, 4232052), (22, 3654954), (33, 2436636), (36, 2233583), (38, 2116026), (44, 1827477), (57, 1410684), (66, 1218318), (76, 1058013), (99, 812212), (114, 705342), (132, 609159), (171, 470228), (198, 406106), (209, 384732), (228, 352671), (342, 235114), (396, 203053), (418, 192366), (627, 128244), (684, 117557), (836, 96183), (1254, 64122), (1881, 42748), (2508, 32061), (3762, 21374), (7524, 10687)]