123991920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1019}}^1$

素因数の和:1064

約数の個数: 180

約数和(自身を含む): 451343880

約数和(自身を除く): 327351960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1019, 1040, 1170, 1352, 1521, 1560, 1690, 1872, 2028, 2038, 2340, 2535, 2704, 3042, 3057, 3120, 3380, 4056, 4076, 4680, 5070, 5095, 6084, 6114, 6760, 7605, 8112, 8152, 9171, 9360, 10140, 10190, 12168, 12228, 13247, 13520, 15210, 15285, 16304, 18342, 20280, 20380, 24336, 24456, 26494, 30420, 30570, 36684, 39741, 40560, 40760, 45855, 48912, 52988, 60840, 61140, 66235, 73368, 79482, 81520, 91710, 105976, 119223, 121680, 122280, 132470, 146736, 158964, 172211, 183420, 198705, 211952, 238446, 244560, 264940, 317928, 344422, 366840, 397410, 476892, 516633, 529880, 596115, 635856, 688844, 733680, 794820, 861055, 953784, 1033266, 1059760, 1192230, 1377688, 1549899, 1589640, 1722110, 1907568, 2066532, 2384460, 2583165, 2755376, 3099798, 3179280, 3444220, 4133064, 4768920, 5166330, 6199596, 6888440, 7749495, 8266128, 9537840, 10332660, 12399192, 13776880, 15498990, 20665320, 24798384, 30997980, 41330640, 61995960, 123991920]

約数ペア:

[(1, 123991920), (2, 61995960), (3, 41330640), (4, 30997980), (5, 24798384), (6, 20665320), (8, 15498990), (9, 13776880), (10, 12399192), (12, 10332660), (13, 9537840), (15, 8266128), (16, 7749495), (18, 6888440), (20, 6199596), (24, 5166330), (26, 4768920), (30, 4133064), (36, 3444220), (39, 3179280), (40, 3099798), (45, 2755376), (48, 2583165), (52, 2384460), (60, 2066532), (65, 1907568), (72, 1722110), (78, 1589640), (80, 1549899), (90, 1377688), (104, 1192230), (117, 1059760), (120, 1033266), (130, 953784), (144, 861055), (156, 794820), (169, 733680), (180, 688844), (195, 635856), (208, 596115), (234, 529880), (240, 516633), (260, 476892), (312, 397410), (338, 366840), (360, 344422), (390, 317928), (468, 264940), (507, 244560), (520, 238446), (585, 211952), (624, 198705), (676, 183420), (720, 172211), (780, 158964), (845, 146736), (936, 132470), (1014, 122280), (1019, 121680), (1040, 119223), (1170, 105976), (1352, 91710), (1521, 81520), (1560, 79482), (1690, 73368), (1872, 66235), (2028, 61140), (2038, 60840), (2340, 52988), (2535, 48912), (2704, 45855), (3042, 40760), (3057, 40560), (3120, 39741), (3380, 36684), (4056, 30570), (4076, 30420), (4680, 26494), (5070, 24456), (5095, 24336), (6084, 20380), (6114, 20280), (6760, 18342), (7605, 16304), (8112, 15285), (8152, 15210), (9171, 13520), (9360, 13247), (10140, 12228), (10190, 12168)]