213213780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 216

約数和(自身を含む): 721008288

約数和(自身を除く): 507794508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 163, 169, 172, 180, 195, 215, 234, 258, 260, 326, 338, 387, 390, 430, 468, 489, 507, 516, 559, 585, 645, 652, 676, 774, 780, 815, 845, 860, 978, 1014, 1118, 1170, 1290, 1467, 1521, 1548, 1630, 1677, 1690, 1935, 1956, 2028, 2119, 2236, 2340, 2445, 2535, 2580, 2795, 2934, 3042, 3260, 3354, 3380, 3870, 4238, 4890, 5031, 5070, 5590, 5868, 6084, 6357, 6708, 7009, 7267, 7335, 7605, 7740, 8385, 8476, 9780, 10062, 10140, 10595, 11180, 12714, 14018, 14534, 14670, 15210, 16770, 19071, 20124, 21027, 21190, 21801, 25155, 25428, 27547, 28036, 29068, 29340, 30420, 31785, 33540, 35045, 36335, 38142, 42054, 42380, 43602, 50310, 55094, 63081, 63570, 65403, 70090, 72670, 76284, 82641, 84108, 87204, 91117, 95355, 100620, 105135, 109005, 110188, 126162, 127140, 130806, 137735, 140180, 145340, 165282, 182234, 190710, 210270, 218010, 247923, 252324, 261612, 273351, 275470, 315405, 327015, 330564, 364468, 381420, 413205, 420540, 436020, 455585, 495846, 546702, 550940, 630810, 654030, 820053, 826410, 911170, 991692, 1093404, 1184521, 1239615, 1261620, 1308060, 1366755, 1640106, 1652820, 1822340, 2369042, 2479230, 2733510, 3280212, 3553563, 4100265, 4738084, 4958460, 5467020, 5922605, 7107126, 8200530, 10660689, 11845210, 14214252, 16401060, 17767815, 21321378, 23690420, 35535630, 42642756, 53303445, 71071260, 106606890, 213213780]

約数ペア:

[(1, 213213780), (2, 106606890), (3, 71071260), (4, 53303445), (5, 42642756), (6, 35535630), (9, 23690420), (10, 21321378), (12, 17767815), (13, 16401060), (15, 14214252), (18, 11845210), (20, 10660689), (26, 8200530), (30, 7107126), (36, 5922605), (39, 5467020), (43, 4958460), (45, 4738084), (52, 4100265), (60, 3553563), (65, 3280212), (78, 2733510), (86, 2479230), (90, 2369042), (117, 1822340), (129, 1652820), (130, 1640106), (156, 1366755), (163, 1308060), (169, 1261620), (172, 1239615), (180, 1184521), (195, 1093404), (215, 991692), (234, 911170), (258, 826410), (260, 820053), (326, 654030), (338, 630810), (387, 550940), (390, 546702), (430, 495846), (468, 455585), (489, 436020), (507, 420540), (516, 413205), (559, 381420), (585, 364468), (645, 330564), (652, 327015), (676, 315405), (774, 275470), (780, 273351), (815, 261612), (845, 252324), (860, 247923), (978, 218010), (1014, 210270), (1118, 190710), (1170, 182234), (1290, 165282), (1467, 145340), (1521, 140180), (1548, 137735), (1630, 130806), (1677, 127140), (1690, 126162), (1935, 110188), (1956, 109005), (2028, 105135), (2119, 100620), (2236, 95355), (2340, 91117), (2445, 87204), (2535, 84108), (2580, 82641), (2795, 76284), (2934, 72670), (3042, 70090), (3260, 65403), (3354, 63570), (3380, 63081), (3870, 55094), (4238, 50310), (4890, 43602), (5031, 42380), (5070, 42054), (5590, 38142), (5868, 36335), (6084, 35045), (6357, 33540), (6708, 31785), (7009, 30420), (7267, 29340), (7335, 29068), (7605, 28036), (7740, 27547), (8385, 25428), (8476, 25155), (9780, 21801), (10062, 21190), (10140, 21027), (10595, 20124), (11180, 19071), (12714, 16770), (14018, 15210), (14534, 14670)]