28276920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{229}}^1$

素因数の和:267

約数の個数: 192

約数和(自身を含む): 107640000

約数和(自身を除く): 79363080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 229, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 458, 490, 504, 588, 630, 686, 687, 735, 840, 882, 916, 980, 1029, 1145, 1176, 1260, 1372, 1374, 1470, 1603, 1715, 1764, 1832, 1960, 2058, 2061, 2205, 2290, 2520, 2744, 2748, 2940, 3087, 3206, 3430, 3435, 3528, 4116, 4122, 4410, 4580, 4809, 5145, 5496, 5880, 6174, 6412, 6860, 6870, 8015, 8232, 8244, 8820, 9160, 9618, 10290, 10305, 11221, 12348, 12824, 13720, 13740, 14427, 15435, 16030, 16488, 17640, 19236, 20580, 20610, 22442, 24045, 24696, 27480, 28854, 30870, 32060, 33663, 38472, 41160, 41220, 44884, 48090, 56105, 57708, 61740, 64120, 67326, 72135, 78547, 82440, 89768, 96180, 100989, 112210, 115416, 123480, 134652, 144270, 157094, 168315, 192360, 201978, 224420, 235641, 269304, 288540, 314188, 336630, 392735, 403956, 448840, 471282, 504945, 577080, 628376, 673260, 706923, 785470, 807912, 942564, 1009890, 1178205, 1346520, 1413846, 1570940, 1885128, 2019780, 2356410, 2827692, 3141880, 3534615, 4039560, 4712820, 5655384, 7069230, 9425640, 14138460, 28276920]

約数ペア:

[(1, 28276920), (2, 14138460), (3, 9425640), (4, 7069230), (5, 5655384), (6, 4712820), (7, 4039560), (8, 3534615), (9, 3141880), (10, 2827692), (12, 2356410), (14, 2019780), (15, 1885128), (18, 1570940), (20, 1413846), (21, 1346520), (24, 1178205), (28, 1009890), (30, 942564), (35, 807912), (36, 785470), (40, 706923), (42, 673260), (45, 628376), (49, 577080), (56, 504945), (60, 471282), (63, 448840), (70, 403956), (72, 392735), (84, 336630), (90, 314188), (98, 288540), (105, 269304), (120, 235641), (126, 224420), (140, 201978), (147, 192360), (168, 168315), (180, 157094), (196, 144270), (210, 134652), (229, 123480), (245, 115416), (252, 112210), (280, 100989), (294, 96180), (315, 89768), (343, 82440), (360, 78547), (392, 72135), (420, 67326), (441, 64120), (458, 61740), (490, 57708), (504, 56105), (588, 48090), (630, 44884), (686, 41220), (687, 41160), (735, 38472), (840, 33663), (882, 32060), (916, 30870), (980, 28854), (1029, 27480), (1145, 24696), (1176, 24045), (1260, 22442), (1372, 20610), (1374, 20580), (1470, 19236), (1603, 17640), (1715, 16488), (1764, 16030), (1832, 15435), (1960, 14427), (2058, 13740), (2061, 13720), (2205, 12824), (2290, 12348), (2520, 11221), (2744, 10305), (2748, 10290), (2940, 9618), (3087, 9160), (3206, 8820), (3430, 8244), (3435, 8232), (3528, 8015), (4116, 6870), (4122, 6860), (4410, 6412), (4580, 6174), (4809, 5880), (5145, 5496)]