81153900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:302

約数の個数: 180

約数和(自身を含む): 270342072

約数和(自身を除く): 189188172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 43, 45, 50, 54, 60, 75, 81, 86, 90, 100, 108, 129, 135, 150, 162, 172, 180, 215, 225, 233, 258, 270, 300, 324, 387, 405, 430, 450, 466, 516, 540, 645, 675, 699, 774, 810, 860, 900, 932, 1075, 1161, 1165, 1290, 1350, 1398, 1548, 1620, 1935, 2025, 2097, 2150, 2322, 2330, 2580, 2700, 2796, 3225, 3483, 3495, 3870, 4050, 4194, 4300, 4644, 4660, 5805, 5825, 6291, 6450, 6966, 6990, 7740, 8100, 8388, 9675, 10019, 10485, 11610, 11650, 12582, 12900, 13932, 13980, 17415, 17475, 18873, 19350, 20038, 20970, 23220, 23300, 25164, 29025, 30057, 31455, 34830, 34950, 37746, 38700, 40076, 41940, 50095, 52425, 58050, 60114, 62910, 69660, 69900, 75492, 87075, 90171, 94365, 100190, 104850, 116100, 120228, 125820, 150285, 157275, 174150, 180342, 188730, 200380, 209700, 250475, 270513, 300570, 314550, 348300, 360684, 377460, 450855, 471825, 500950, 541026, 601140, 629100, 751425, 811539, 901710, 943650, 1001900, 1082052, 1352565, 1502850, 1623078, 1803420, 1887300, 2254275, 2705130, 3005700, 3246156, 4057695, 4508550, 5410260, 6762825, 8115390, 9017100, 13525650, 16230780, 20288475, 27051300, 40576950, 81153900]

約数ペア:

[(1, 81153900), (2, 40576950), (3, 27051300), (4, 20288475), (5, 16230780), (6, 13525650), (9, 9017100), (10, 8115390), (12, 6762825), (15, 5410260), (18, 4508550), (20, 4057695), (25, 3246156), (27, 3005700), (30, 2705130), (36, 2254275), (43, 1887300), (45, 1803420), (50, 1623078), (54, 1502850), (60, 1352565), (75, 1082052), (81, 1001900), (86, 943650), (90, 901710), (100, 811539), (108, 751425), (129, 629100), (135, 601140), (150, 541026), (162, 500950), (172, 471825), (180, 450855), (215, 377460), (225, 360684), (233, 348300), (258, 314550), (270, 300570), (300, 270513), (324, 250475), (387, 209700), (405, 200380), (430, 188730), (450, 180342), (466, 174150), (516, 157275), (540, 150285), (645, 125820), (675, 120228), (699, 116100), (774, 104850), (810, 100190), (860, 94365), (900, 90171), (932, 87075), (1075, 75492), (1161, 69900), (1165, 69660), (1290, 62910), (1350, 60114), (1398, 58050), (1548, 52425), (1620, 50095), (1935, 41940), (2025, 40076), (2097, 38700), (2150, 37746), (2322, 34950), (2330, 34830), (2580, 31455), (2700, 30057), (2796, 29025), (3225, 25164), (3483, 23300), (3495, 23220), (3870, 20970), (4050, 20038), (4194, 19350), (4300, 18873), (4644, 17475), (4660, 17415), (5805, 13980), (5825, 13932), (6291, 12900), (6450, 12582), (6966, 11650), (6990, 11610), (7740, 10485), (8100, 10019), (8388, 9675)]