288910980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 906185280

約数和(自身を除く): 617274300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 163, 172, 180, 215, 229, 258, 326, 387, 430, 458, 489, 516, 645, 652, 687, 774, 815, 860, 916, 978, 1145, 1290, 1374, 1467, 1548, 1630, 1935, 1956, 2061, 2290, 2445, 2580, 2748, 2934, 3260, 3435, 3870, 4122, 4580, 4890, 5868, 6870, 7009, 7335, 7740, 8244, 9780, 9847, 10305, 13740, 14018, 14670, 19694, 20610, 21027, 28036, 29340, 29541, 35045, 37327, 39388, 41220, 42054, 49235, 59082, 63081, 70090, 74654, 84108, 88623, 98470, 105135, 111981, 118164, 126162, 140180, 147705, 149308, 177246, 186635, 196940, 210270, 223962, 252324, 295410, 315405, 335943, 354492, 373270, 420540, 443115, 447924, 559905, 590820, 630810, 671886, 746540, 886230, 1119810, 1261620, 1343772, 1605061, 1679715, 1772460, 2239620, 3210122, 3359430, 4815183, 6420244, 6718860, 8025305, 9630366, 14445549, 16050610, 19260732, 24075915, 28891098, 32101220, 48151830, 57782196, 72227745, 96303660, 144455490, 288910980]

約数ペア:

[(1, 288910980), (2, 144455490), (3, 96303660), (4, 72227745), (5, 57782196), (6, 48151830), (9, 32101220), (10, 28891098), (12, 24075915), (15, 19260732), (18, 16050610), (20, 14445549), (30, 9630366), (36, 8025305), (43, 6718860), (45, 6420244), (60, 4815183), (86, 3359430), (90, 3210122), (129, 2239620), (163, 1772460), (172, 1679715), (180, 1605061), (215, 1343772), (229, 1261620), (258, 1119810), (326, 886230), (387, 746540), (430, 671886), (458, 630810), (489, 590820), (516, 559905), (645, 447924), (652, 443115), (687, 420540), (774, 373270), (815, 354492), (860, 335943), (916, 315405), (978, 295410), (1145, 252324), (1290, 223962), (1374, 210270), (1467, 196940), (1548, 186635), (1630, 177246), (1935, 149308), (1956, 147705), (2061, 140180), (2290, 126162), (2445, 118164), (2580, 111981), (2748, 105135), (2934, 98470), (3260, 88623), (3435, 84108), (3870, 74654), (4122, 70090), (4580, 63081), (4890, 59082), (5868, 49235), (6870, 42054), (7009, 41220), (7335, 39388), (7740, 37327), (8244, 35045), (9780, 29541), (9847, 29340), (10305, 28036), (13740, 21027), (14018, 20610), (14670, 19694)]