87640960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 233539200

約数和(自身を除く): 145898240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 80, 88, 110, 118, 128, 160, 176, 211, 220, 236, 295, 320, 352, 422, 440, 472, 590, 640, 649, 704, 844, 880, 944, 1055, 1180, 1298, 1408, 1688, 1760, 1888, 2110, 2321, 2360, 2596, 3245, 3376, 3520, 3776, 4220, 4642, 4720, 5192, 6490, 6752, 7040, 7552, 8440, 9284, 9440, 10384, 11605, 12449, 12980, 13504, 16880, 18568, 18880, 20768, 23210, 24898, 25960, 27008, 33760, 37136, 37760, 41536, 46420, 49796, 51920, 62245, 67520, 74272, 83072, 92840, 99592, 103840, 124490, 135040, 136939, 148544, 185680, 199184, 207680, 248980, 273878, 297088, 371360, 398368, 415360, 497960, 547756, 684695, 742720, 796736, 995920, 1095512, 1369390, 1485440, 1593472, 1991840, 2191024, 2738780, 3983680, 4382048, 5477560, 7967360, 8764096, 10955120, 17528192, 21910240, 43820480, 87640960]

約数ペア:

[(1, 87640960), (2, 43820480), (4, 21910240), (5, 17528192), (8, 10955120), (10, 8764096), (11, 7967360), (16, 5477560), (20, 4382048), (22, 3983680), (32, 2738780), (40, 2191024), (44, 1991840), (55, 1593472), (59, 1485440), (64, 1369390), (80, 1095512), (88, 995920), (110, 796736), (118, 742720), (128, 684695), (160, 547756), (176, 497960), (211, 415360), (220, 398368), (236, 371360), (295, 297088), (320, 273878), (352, 248980), (422, 207680), (440, 199184), (472, 185680), (590, 148544), (640, 136939), (649, 135040), (704, 124490), (844, 103840), (880, 99592), (944, 92840), (1055, 83072), (1180, 74272), (1298, 67520), (1408, 62245), (1688, 51920), (1760, 49796), (1888, 46420), (2110, 41536), (2321, 37760), (2360, 37136), (2596, 33760), (3245, 27008), (3376, 25960), (3520, 24898), (3776, 23210), (4220, 20768), (4642, 18880), (4720, 18568), (5192, 16880), (6490, 13504), (6752, 12980), (7040, 12449), (7552, 11605), (8440, 10384), (9284, 9440)]