28872480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 192

約数和(自身を含む): 112105728

約数和(自身を除く): 83233248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 661, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1322, 1365, 1456, 1560, 1680, 1820, 1983, 2080, 2184, 2644, 2730, 2912, 3120, 3305, 3360, 3640, 3966, 4368, 4627, 5288, 5460, 6240, 6610, 7280, 7932, 8593, 8736, 9254, 9915, 10576, 10920, 13220, 13881, 14560, 15864, 17186, 18508, 19830, 21152, 21840, 23135, 25779, 26440, 27762, 31728, 34372, 37016, 39660, 42965, 43680, 46270, 51558, 52880, 55524, 60151, 63456, 68744, 69405, 74032, 79320, 85930, 92540, 103116, 105760, 111048, 120302, 128895, 137488, 138810, 148064, 158640, 171860, 180453, 185080, 206232, 222096, 240604, 257790, 274976, 277620, 300755, 317280, 343720, 360906, 370160, 412464, 444192, 481208, 515580, 555240, 601510, 687440, 721812, 740320, 824928, 902265, 962416, 1031160, 1110480, 1203020, 1374880, 1443624, 1804530, 1924832, 2062320, 2220960, 2406040, 2887248, 3609060, 4124640, 4812080, 5774496, 7218120, 9624160, 14436240, 28872480]

約数ペア:

[(1, 28872480), (2, 14436240), (3, 9624160), (4, 7218120), (5, 5774496), (6, 4812080), (7, 4124640), (8, 3609060), (10, 2887248), (12, 2406040), (13, 2220960), (14, 2062320), (15, 1924832), (16, 1804530), (20, 1443624), (21, 1374880), (24, 1203020), (26, 1110480), (28, 1031160), (30, 962416), (32, 902265), (35, 824928), (39, 740320), (40, 721812), (42, 687440), (48, 601510), (52, 555240), (56, 515580), (60, 481208), (65, 444192), (70, 412464), (78, 370160), (80, 360906), (84, 343720), (91, 317280), (96, 300755), (104, 277620), (105, 274976), (112, 257790), (120, 240604), (130, 222096), (140, 206232), (156, 185080), (160, 180453), (168, 171860), (182, 158640), (195, 148064), (208, 138810), (210, 137488), (224, 128895), (240, 120302), (260, 111048), (273, 105760), (280, 103116), (312, 92540), (336, 85930), (364, 79320), (390, 74032), (416, 69405), (420, 68744), (455, 63456), (480, 60151), (520, 55524), (546, 52880), (560, 51558), (624, 46270), (661, 43680), (672, 42965), (728, 39660), (780, 37016), (840, 34372), (910, 31728), (1040, 27762), (1092, 26440), (1120, 25779), (1248, 23135), (1322, 21840), (1365, 21152), (1456, 19830), (1560, 18508), (1680, 17186), (1820, 15864), (1983, 14560), (2080, 13881), (2184, 13220), (2644, 10920), (2730, 10576), (2912, 9915), (3120, 9254), (3305, 8736), (3360, 8593), (3640, 7932), (3966, 7280), (4368, 6610), (4627, 6240), (5288, 5460)]