28721722920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1103}}^1\times {\mathrm{19727}}^1$

素因数の和:20855

約数の個数: 128

約数和(自身を含む): 94088355840

約数和(自身を除く): 65366632920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1103, 1320, 2206, 3309, 4412, 5515, 6618, 8824, 11030, 12133, 13236, 16545, 19727, 22060, 24266, 26472, 33090, 36399, 39454, 44120, 48532, 59181, 60665, 66180, 72798, 78908, 97064, 98635, 118362, 121330, 132360, 145596, 157816, 181995, 197270, 216997, 236724, 242660, 291192, 295905, 363990, 394540, 433994, 473448, 485320, 591810, 650991, 727980, 789080, 867988, 1084985, 1183620, 1301982, 1455960, 1735976, 2169970, 2367240, 2603964, 3254955, 4339940, 5207928, 6509910, 8679880, 13019820, 21758881, 26039640, 43517762, 65276643, 87035524, 108794405, 130553286, 174071048, 217588810, 239347691, 261106572, 326383215, 435177620, 478695382, 522213144, 652766430, 718043073, 870355240, 957390764, 1196738455, 1305532860, 1436086146, 1914781528, 2393476910, 2611065720, 2872172292, 3590215365, 4786953820, 5744344584, 7180430730, 9573907640, 14360861460, 28721722920]

約数ペア:

[(1, 28721722920), (2, 14360861460), (3, 9573907640), (4, 7180430730), (5, 5744344584), (6, 4786953820), (8, 3590215365), (10, 2872172292), (11, 2611065720), (12, 2393476910), (15, 1914781528), (20, 1436086146), (22, 1305532860), (24, 1196738455), (30, 957390764), (33, 870355240), (40, 718043073), (44, 652766430), (55, 522213144), (60, 478695382), (66, 435177620), (88, 326383215), (110, 261106572), (120, 239347691), (132, 217588810), (165, 174071048), (220, 130553286), (264, 108794405), (330, 87035524), (440, 65276643), (660, 43517762), (1103, 26039640), (1320, 21758881), (2206, 13019820), (3309, 8679880), (4412, 6509910), (5515, 5207928), (6618, 4339940), (8824, 3254955), (11030, 2603964), (12133, 2367240), (13236, 2169970), (16545, 1735976), (19727, 1455960), (22060, 1301982), (24266, 1183620), (26472, 1084985), (33090, 867988), (36399, 789080), (39454, 727980), (44120, 650991), (48532, 591810), (59181, 485320), (60665, 473448), (66180, 433994), (72798, 394540), (78908, 363990), (97064, 295905), (98635, 291192), (118362, 242660), (121330, 236724), (132360, 216997), (145596, 197270), (157816, 181995)]