28029960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{227}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 106704000

約数和(自身を除く): 78674040

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, 227, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 454, 490, 504, 588, 630, 681, 686, 735, 840, 882, 908, 980, 1029, 1135, 1176, 1260, 1362, 1372, 1470, 1589, 1715, 1764, 1816, 1960, 2043, 2058, 2205, 2270, 2520, 2724, 2744, 2940, 3087, 3178, 3405, 3430, 3528, 4086, 4116, 4410, 4540, 4767, 5145, 5448, 5880, 6174, 6356, 6810, 6860, 7945, 8172, 8232, 8820, 9080, 9534, 10215, 10290, 11123, 12348, 12712, 13620, 13720, 14301, 15435, 15890, 16344, 17640, 19068, 20430, 20580, 22246, 23835, 24696, 27240, 28602, 30870, 31780, 33369, 38136, 40860, 41160, 44492, 47670, 55615, 57204, 61740, 63560, 66738, 71505, 77861, 81720, 88984, 95340, 100107, 111230, 114408, 123480, 133476, 143010, 155722, 166845, 190680, 200214, 222460, 233583, 266952, 286020, 311444, 333690, 389305, 400428, 444920, 467166, 500535, 572040, 622888, 667380, 700749, 778610, 800856, 934332, 1001070, 1167915, 1334760, 1401498, 1557220, 1868664, 2002140, 2335830, 2802996, 3114440, 3503745, 4004280, 4671660, 5605992, 7007490, 9343320, 14014980, 28029960]

約数ペア:

[(1, 28029960), (2, 14014980), (3, 9343320), (4, 7007490), (5, 5605992), (6, 4671660), (7, 4004280), (8, 3503745), (9, 3114440), (10, 2802996), (12, 2335830), (14, 2002140), (15, 1868664), (18, 1557220), (20, 1401498), (21, 1334760), (24, 1167915), (28, 1001070), (30, 934332), (35, 800856), (36, 778610), (40, 700749), (42, 667380), (45, 622888), (49, 572040), (56, 500535), (60, 467166), (63, 444920), (70, 400428), (72, 389305), (84, 333690), (90, 311444), (98, 286020), (105, 266952), (120, 233583), (126, 222460), (140, 200214), (147, 190680), (168, 166845), (180, 155722), (196, 143010), (210, 133476), (227, 123480), (245, 114408), (252, 111230), (280, 100107), (294, 95340), (315, 88984), (343, 81720), (360, 77861), (392, 71505), (420, 66738), (441, 63560), (454, 61740), (490, 57204), (504, 55615), (588, 47670), (630, 44492), (681, 41160), (686, 40860), (735, 38136), (840, 33369), (882, 31780), (908, 30870), (980, 28602), (1029, 27240), (1135, 24696), (1176, 23835), (1260, 22246), (1362, 20580), (1372, 20430), (1470, 19068), (1589, 17640), (1715, 16344), (1764, 15890), (1816, 15435), (1960, 14301), (2043, 13720), (2058, 13620), (2205, 12712), (2270, 12348), (2520, 11123), (2724, 10290), (2744, 10215), (2940, 9534), (3087, 9080), (3178, 8820), (3405, 8232), (3430, 8172), (3528, 7945), (4086, 6860), (4116, 6810), (4410, 6356), (4540, 6174), (4767, 5880), (5145, 5448)]