25238640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 90994176

約数和(自身を除く): 65755536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 166, 168, 181, 210, 240, 249, 280, 332, 336, 362, 415, 420, 498, 543, 560, 581, 664, 724, 830, 840, 905, 996, 1086, 1162, 1245, 1267, 1328, 1448, 1660, 1680, 1743, 1810, 1992, 2172, 2324, 2490, 2534, 2715, 2896, 2905, 3320, 3486, 3620, 3801, 3984, 4344, 4648, 4980, 5068, 5430, 5810, 6335, 6640, 6972, 7240, 7602, 8688, 8715, 9296, 9960, 10136, 10860, 11620, 12670, 13944, 14480, 15023, 15204, 17430, 19005, 19920, 20272, 21720, 23240, 25340, 27888, 30046, 30408, 34860, 38010, 43440, 45069, 46480, 50680, 60092, 60816, 69720, 75115, 76020, 90138, 101360, 105161, 120184, 139440, 150230, 152040, 180276, 210322, 225345, 240368, 300460, 304080, 315483, 360552, 420644, 450690, 525805, 600920, 630966, 721104, 841288, 901380, 1051610, 1201840, 1261932, 1577415, 1682576, 1802760, 2103220, 2523864, 3154830, 3605520, 4206440, 5047728, 6309660, 8412880, 12619320, 25238640]

約数ペア:

[(1, 25238640), (2, 12619320), (3, 8412880), (4, 6309660), (5, 5047728), (6, 4206440), (7, 3605520), (8, 3154830), (10, 2523864), (12, 2103220), (14, 1802760), (15, 1682576), (16, 1577415), (20, 1261932), (21, 1201840), (24, 1051610), (28, 901380), (30, 841288), (35, 721104), (40, 630966), (42, 600920), (48, 525805), (56, 450690), (60, 420644), (70, 360552), (80, 315483), (83, 304080), (84, 300460), (105, 240368), (112, 225345), (120, 210322), (140, 180276), (166, 152040), (168, 150230), (181, 139440), (210, 120184), (240, 105161), (249, 101360), (280, 90138), (332, 76020), (336, 75115), (362, 69720), (415, 60816), (420, 60092), (498, 50680), (543, 46480), (560, 45069), (581, 43440), (664, 38010), (724, 34860), (830, 30408), (840, 30046), (905, 27888), (996, 25340), (1086, 23240), (1162, 21720), (1245, 20272), (1267, 19920), (1328, 19005), (1448, 17430), (1660, 15204), (1680, 15023), (1743, 14480), (1810, 13944), (1992, 12670), (2172, 11620), (2324, 10860), (2490, 10136), (2534, 9960), (2715, 9296), (2896, 8715), (2905, 8688), (3320, 7602), (3486, 7240), (3620, 6972), (3801, 6640), (3984, 6335), (4344, 5810), (4648, 5430), (4980, 5068)]