777779640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1222

約数の個数: 192

約数和(自身を含む): 2774360160

約数和(自身を除く): 1996580520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 197, 198, 220, 264, 330, 360, 394, 396, 440, 495, 591, 660, 788, 792, 985, 990, 997, 1182, 1320, 1576, 1773, 1970, 1980, 1994, 2167, 2364, 2955, 2991, 3546, 3940, 3960, 3988, 4334, 4728, 4985, 5910, 5982, 6501, 7092, 7880, 7976, 8668, 8865, 8973, 9970, 10835, 10967, 11820, 11964, 13002, 14184, 14955, 17336, 17730, 17946, 19503, 19940, 21670, 21934, 23640, 23928, 26004, 29910, 32505, 32901, 35460, 35892, 39006, 39880, 43340, 43868, 44865, 52008, 54835, 59820, 65010, 65802, 70920, 71784, 78012, 86680, 87736, 89730, 97515, 98703, 109670, 119640, 130020, 131604, 156024, 164505, 179460, 195030, 196409, 197406, 219340, 260040, 263208, 329010, 358920, 390060, 392818, 394812, 438680, 493515, 589227, 658020, 780120, 785636, 789624, 982045, 987030, 1178454, 1316040, 1571272, 1767681, 1964090, 1974060, 2160499, 2356908, 2946135, 3535362, 3928180, 3948120, 4320998, 4713816, 5892270, 6481497, 7070724, 7856360, 8641996, 8838405, 10802495, 11784540, 12962994, 14141448, 17283992, 17676810, 19444491, 21604990, 23569080, 25925988, 32407485, 35353620, 38888982, 43209980, 51851976, 64814970, 70707240, 77777964, 86419960, 97222455, 129629940, 155555928, 194444910, 259259880, 388889820, 777779640]

約数ペア:

[(1, 777779640), (2, 388889820), (3, 259259880), (4, 194444910), (5, 155555928), (6, 129629940), (8, 97222455), (9, 86419960), (10, 77777964), (11, 70707240), (12, 64814970), (15, 51851976), (18, 43209980), (20, 38888982), (22, 35353620), (24, 32407485), (30, 25925988), (33, 23569080), (36, 21604990), (40, 19444491), (44, 17676810), (45, 17283992), (55, 14141448), (60, 12962994), (66, 11784540), (72, 10802495), (88, 8838405), (90, 8641996), (99, 7856360), (110, 7070724), (120, 6481497), (132, 5892270), (165, 4713816), (180, 4320998), (197, 3948120), (198, 3928180), (220, 3535362), (264, 2946135), (330, 2356908), (360, 2160499), (394, 1974060), (396, 1964090), (440, 1767681), (495, 1571272), (591, 1316040), (660, 1178454), (788, 987030), (792, 982045), (985, 789624), (990, 785636), (997, 780120), (1182, 658020), (1320, 589227), (1576, 493515), (1773, 438680), (1970, 394812), (1980, 392818), (1994, 390060), (2167, 358920), (2364, 329010), (2955, 263208), (2991, 260040), (3546, 219340), (3940, 197406), (3960, 196409), (3988, 195030), (4334, 179460), (4728, 164505), (4985, 156024), (5910, 131604), (5982, 130020), (6501, 119640), (7092, 109670), (7880, 98703), (7976, 97515), (8668, 89730), (8865, 87736), (8973, 86680), (9970, 78012), (10835, 71784), (10967, 70920), (11820, 65802), (11964, 65010), (13002, 59820), (14184, 54835), (14955, 52008), (17336, 44865), (17730, 43868), (17946, 43340), (19503, 39880), (19940, 39006), (21670, 35892), (21934, 35460), (23640, 32901), (23928, 32505), (26004, 29910)]