256077900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 216

約数和(自身を含む): 886245360

約数和(自身を除く): 630167460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 43, 45, 50, 52, 60, 65, 75, 78, 86, 90, 100, 117, 129, 130, 150, 156, 172, 180, 195, 215, 225, 234, 258, 260, 300, 325, 387, 390, 430, 450, 468, 509, 516, 559, 585, 645, 650, 774, 780, 860, 900, 975, 1018, 1075, 1118, 1170, 1290, 1300, 1527, 1548, 1677, 1935, 1950, 2036, 2150, 2236, 2340, 2545, 2580, 2795, 2925, 3054, 3225, 3354, 3870, 3900, 4300, 4581, 5031, 5090, 5590, 5850, 6108, 6450, 6617, 6708, 7635, 7740, 8385, 9162, 9675, 10062, 10180, 11180, 11700, 12725, 12900, 13234, 13975, 15270, 16770, 18324, 19350, 19851, 20124, 21887, 22905, 25155, 25450, 26468, 27950, 30540, 33085, 33540, 38175, 38700, 39702, 41925, 43774, 45810, 50310, 50900, 55900, 59553, 65661, 66170, 76350, 79404, 83850, 87548, 91620, 99255, 100620, 109435, 114525, 119106, 125775, 131322, 132340, 152700, 165425, 167700, 196983, 198510, 218870, 229050, 238212, 251550, 262644, 284531, 297765, 328305, 330850, 393966, 397020, 437740, 458100, 496275, 503100, 547175, 569062, 595530, 656610, 661700, 787932, 853593, 984915, 992550, 1094350, 1138124, 1191060, 1313220, 1422655, 1488825, 1641525, 1707186, 1969830, 1985100, 2188700, 2560779, 2845310, 2977650, 3283050, 3414372, 3939660, 4267965, 4924575, 5121558, 5690620, 5955300, 6566100, 7113275, 8535930, 9849150, 10243116, 12803895, 14226550, 17071860, 19698300, 21339825, 25607790, 28453100, 42679650, 51215580, 64019475, 85359300, 128038950, 256077900]

約数ペア:

[(1, 256077900), (2, 128038950), (3, 85359300), (4, 64019475), (5, 51215580), (6, 42679650), (9, 28453100), (10, 25607790), (12, 21339825), (13, 19698300), (15, 17071860), (18, 14226550), (20, 12803895), (25, 10243116), (26, 9849150), (30, 8535930), (36, 7113275), (39, 6566100), (43, 5955300), (45, 5690620), (50, 5121558), (52, 4924575), (60, 4267965), (65, 3939660), (75, 3414372), (78, 3283050), (86, 2977650), (90, 2845310), (100, 2560779), (117, 2188700), (129, 1985100), (130, 1969830), (150, 1707186), (156, 1641525), (172, 1488825), (180, 1422655), (195, 1313220), (215, 1191060), (225, 1138124), (234, 1094350), (258, 992550), (260, 984915), (300, 853593), (325, 787932), (387, 661700), (390, 656610), (430, 595530), (450, 569062), (468, 547175), (509, 503100), (516, 496275), (559, 458100), (585, 437740), (645, 397020), (650, 393966), (774, 330850), (780, 328305), (860, 297765), (900, 284531), (975, 262644), (1018, 251550), (1075, 238212), (1118, 229050), (1170, 218870), (1290, 198510), (1300, 196983), (1527, 167700), (1548, 165425), (1677, 152700), (1935, 132340), (1950, 131322), (2036, 125775), (2150, 119106), (2236, 114525), (2340, 109435), (2545, 100620), (2580, 99255), (2795, 91620), (2925, 87548), (3054, 83850), (3225, 79404), (3354, 76350), (3870, 66170), (3900, 65661), (4300, 59553), (4581, 55900), (5031, 50900), (5090, 50310), (5590, 45810), (5850, 43774), (6108, 41925), (6450, 39702), (6617, 38700), (6708, 38175), (7635, 33540), (7740, 33085), (8385, 30540), (9162, 27950), (9675, 26468), (10062, 25450), (10180, 25155), (11180, 22905), (11700, 21887), (12725, 20124), (12900, 19851), (13234, 19350), (13975, 18324), (15270, 16770)]