161218872

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 447174000

約数和(自身を除く): 285955128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 139, 178, 181, 267, 278, 356, 362, 417, 534, 543, 556, 712, 724, 801, 834, 1068, 1086, 1112, 1251, 1448, 1602, 1629, 1668, 2136, 2172, 2502, 3204, 3258, 3336, 4344, 5004, 6408, 6516, 10008, 12371, 13032, 16109, 24742, 25159, 32218, 37113, 48327, 49484, 50318, 64436, 74226, 75477, 96654, 98968, 100636, 111339, 128872, 144981, 148452, 150954, 193308, 201272, 222678, 226431, 289962, 296904, 301908, 386616, 445356, 452862, 579924, 603816, 890712, 905724, 1159848, 1811448, 2239151, 4478302, 6717453, 8956604, 13434906, 17913208, 20152359, 26869812, 40304718, 53739624, 80609436, 161218872]

約数ペア:

[(1, 161218872), (2, 80609436), (3, 53739624), (4, 40304718), (6, 26869812), (8, 20152359), (9, 17913208), (12, 13434906), (18, 8956604), (24, 6717453), (36, 4478302), (72, 2239151), (89, 1811448), (139, 1159848), (178, 905724), (181, 890712), (267, 603816), (278, 579924), (356, 452862), (362, 445356), (417, 386616), (534, 301908), (543, 296904), (556, 289962), (712, 226431), (724, 222678), (801, 201272), (834, 193308), (1068, 150954), (1086, 148452), (1112, 144981), (1251, 128872), (1448, 111339), (1602, 100636), (1629, 98968), (1668, 96654), (2136, 75477), (2172, 74226), (2502, 64436), (3204, 50318), (3258, 49484), (3336, 48327), (4344, 37113), (5004, 32218), (6408, 25159), (6516, 24742), (10008, 16109), (12371, 13032)]