80945964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2971

約数の個数: 72

約数和(自身を含む): 226437120

約数和(自身を除く): 145491156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1278, 1562, 2343, 2556, 2879, 3124, 4686, 5758, 7029, 8637, 9372, 11516, 14058, 17274, 25911, 28116, 31669, 34548, 51822, 63338, 95007, 103644, 126676, 190014, 204409, 285021, 380028, 408818, 570042, 613227, 817636, 1140084, 1226454, 1839681, 2248499, 2452908, 3679362, 4496998, 6745497, 7358724, 8993996, 13490994, 20236491, 26981988, 40472982, 80945964]

約数ペア:

[(1, 80945964), (2, 40472982), (3, 26981988), (4, 20236491), (6, 13490994), (9, 8993996), (11, 7358724), (12, 6745497), (18, 4496998), (22, 3679362), (33, 2452908), (36, 2248499), (44, 1839681), (66, 1226454), (71, 1140084), (99, 817636), (132, 613227), (142, 570042), (198, 408818), (213, 380028), (284, 285021), (396, 204409), (426, 190014), (639, 126676), (781, 103644), (852, 95007), (1278, 63338), (1562, 51822), (2343, 34548), (2556, 31669), (2879, 28116), (3124, 25911), (4686, 17274), (5758, 14058), (7029, 11516), (8637, 9372)]