128567400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 192

約数和(自身を含む): 438721920

約数和(自身を除く): 310154520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 53, 60, 65, 75, 78, 100, 104, 106, 120, 130, 150, 156, 159, 195, 200, 212, 260, 265, 300, 311, 312, 318, 325, 390, 424, 520, 530, 600, 622, 636, 650, 689, 780, 795, 933, 975, 1060, 1244, 1272, 1300, 1325, 1378, 1555, 1560, 1590, 1866, 1950, 2067, 2120, 2488, 2600, 2650, 2756, 3110, 3180, 3445, 3732, 3900, 3975, 4043, 4134, 4665, 5300, 5512, 6220, 6360, 6890, 7464, 7775, 7800, 7950, 8086, 8268, 9330, 10335, 10600, 12129, 12440, 13780, 15550, 15900, 16172, 16483, 16536, 17225, 18660, 20215, 20670, 23325, 24258, 27560, 31100, 31800, 32344, 32966, 34450, 37320, 40430, 41340, 46650, 48516, 49449, 51675, 60645, 62200, 65932, 68900, 80860, 82415, 82680, 93300, 97032, 98898, 101075, 103350, 121290, 131864, 137800, 161720, 164830, 186600, 197796, 202150, 206700, 214279, 242580, 247245, 303225, 329660, 395592, 404300, 412075, 413400, 428558, 485160, 494490, 606450, 642837, 659320, 808600, 824150, 857116, 988980, 1071395, 1212900, 1236225, 1285674, 1648300, 1714232, 1977960, 2142790, 2425800, 2472450, 2571348, 3214185, 3296600, 4285580, 4944900, 5142696, 5356975, 6428370, 8571160, 9889800, 10713950, 12856740, 16070925, 21427900, 25713480, 32141850, 42855800, 64283700, 128567400]

約数ペア:

[(1, 128567400), (2, 64283700), (3, 42855800), (4, 32141850), (5, 25713480), (6, 21427900), (8, 16070925), (10, 12856740), (12, 10713950), (13, 9889800), (15, 8571160), (20, 6428370), (24, 5356975), (25, 5142696), (26, 4944900), (30, 4285580), (39, 3296600), (40, 3214185), (50, 2571348), (52, 2472450), (53, 2425800), (60, 2142790), (65, 1977960), (75, 1714232), (78, 1648300), (100, 1285674), (104, 1236225), (106, 1212900), (120, 1071395), (130, 988980), (150, 857116), (156, 824150), (159, 808600), (195, 659320), (200, 642837), (212, 606450), (260, 494490), (265, 485160), (300, 428558), (311, 413400), (312, 412075), (318, 404300), (325, 395592), (390, 329660), (424, 303225), (520, 247245), (530, 242580), (600, 214279), (622, 206700), (636, 202150), (650, 197796), (689, 186600), (780, 164830), (795, 161720), (933, 137800), (975, 131864), (1060, 121290), (1244, 103350), (1272, 101075), (1300, 98898), (1325, 97032), (1378, 93300), (1555, 82680), (1560, 82415), (1590, 80860), (1866, 68900), (1950, 65932), (2067, 62200), (2120, 60645), (2488, 51675), (2600, 49449), (2650, 48516), (2756, 46650), (3110, 41340), (3180, 40430), (3445, 37320), (3732, 34450), (3900, 32966), (3975, 32344), (4043, 31800), (4134, 31100), (4665, 27560), (5300, 24258), (5512, 23325), (6220, 20670), (6360, 20215), (6890, 18660), (7464, 17225), (7775, 16536), (7800, 16483), (7950, 16172), (8086, 15900), (8268, 15550), (9330, 13780), (10335, 12440), (10600, 12129)]