81751950

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 264983040

約数和(自身を除く): 183231090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 41, 42, 45, 50, 54, 63, 70, 75, 82, 90, 105, 123, 126, 135, 150, 175, 189, 205, 210, 211, 225, 246, 270, 287, 315, 350, 369, 378, 410, 422, 450, 525, 574, 615, 630, 633, 675, 738, 861, 945, 1025, 1050, 1055, 1107, 1230, 1266, 1350, 1435, 1477, 1575, 1722, 1845, 1890, 1899, 2050, 2110, 2214, 2583, 2870, 2954, 3075, 3150, 3165, 3690, 3798, 4305, 4431, 4725, 5166, 5275, 5535, 5697, 6150, 6330, 7175, 7385, 7749, 8610, 8651, 8862, 9225, 9450, 9495, 10550, 11070, 11394, 12915, 13293, 14350, 14770, 15498, 15825, 17302, 18450, 18990, 21525, 22155, 25830, 25953, 26586, 27675, 28485, 31650, 36925, 38745, 39879, 43050, 43255, 44310, 47475, 51906, 55350, 56970, 60557, 64575, 66465, 73850, 77490, 77859, 79758, 86510, 94950, 110775, 121114, 129150, 129765, 132930, 142425, 155718, 181671, 193725, 199395, 216275, 221550, 233577, 259530, 284850, 302785, 332325, 363342, 387450, 389295, 398790, 432550, 467154, 545013, 605570, 648825, 664650, 778590, 908355, 996975, 1090026, 1167885, 1297650, 1513925, 1635039, 1816710, 1946475, 1993950, 2335770, 2725065, 3027850, 3270078, 3892950, 4541775, 5450130, 5839425, 8175195, 9083550, 11678850, 13625325, 16350390, 27250650, 40875975, 81751950]

約数ペア:

[(1, 81751950), (2, 40875975), (3, 27250650), (5, 16350390), (6, 13625325), (7, 11678850), (9, 9083550), (10, 8175195), (14, 5839425), (15, 5450130), (18, 4541775), (21, 3892950), (25, 3270078), (27, 3027850), (30, 2725065), (35, 2335770), (41, 1993950), (42, 1946475), (45, 1816710), (50, 1635039), (54, 1513925), (63, 1297650), (70, 1167885), (75, 1090026), (82, 996975), (90, 908355), (105, 778590), (123, 664650), (126, 648825), (135, 605570), (150, 545013), (175, 467154), (189, 432550), (205, 398790), (210, 389295), (211, 387450), (225, 363342), (246, 332325), (270, 302785), (287, 284850), (315, 259530), (350, 233577), (369, 221550), (378, 216275), (410, 199395), (422, 193725), (450, 181671), (525, 155718), (574, 142425), (615, 132930), (630, 129765), (633, 129150), (675, 121114), (738, 110775), (861, 94950), (945, 86510), (1025, 79758), (1050, 77859), (1055, 77490), (1107, 73850), (1230, 66465), (1266, 64575), (1350, 60557), (1435, 56970), (1477, 55350), (1575, 51906), (1722, 47475), (1845, 44310), (1890, 43255), (1899, 43050), (2050, 39879), (2110, 38745), (2214, 36925), (2583, 31650), (2870, 28485), (2954, 27675), (3075, 26586), (3150, 25953), (3165, 25830), (3690, 22155), (3798, 21525), (4305, 18990), (4431, 18450), (4725, 17302), (5166, 15825), (5275, 15498), (5535, 14770), (5697, 14350), (6150, 13293), (6330, 12915), (7175, 11394), (7385, 11070), (7749, 10550), (8610, 9495), (8651, 9450), (8862, 9225)]