72077600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 205361856

約数和(自身を除く): 133284256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 61, 70, 80, 100, 112, 122, 140, 160, 175, 200, 211, 224, 244, 280, 305, 350, 400, 422, 427, 488, 560, 610, 700, 800, 844, 854, 976, 1055, 1120, 1220, 1400, 1477, 1525, 1688, 1708, 1952, 2110, 2135, 2440, 2800, 2954, 3050, 3376, 3416, 4220, 4270, 4880, 5275, 5600, 5908, 6100, 6752, 6832, 7385, 8440, 8540, 9760, 10550, 10675, 11816, 12200, 12871, 13664, 14770, 16880, 17080, 21100, 21350, 23632, 24400, 25742, 29540, 33760, 34160, 36925, 42200, 42700, 47264, 48800, 51484, 59080, 64355, 68320, 73850, 84400, 85400, 90097, 102968, 118160, 128710, 147700, 168800, 170800, 180194, 205936, 236320, 257420, 295400, 321775, 341600, 360388, 411872, 450485, 514840, 590800, 643550, 720776, 900970, 1029680, 1181600, 1287100, 1441552, 1801940, 2059360, 2252425, 2574200, 2883104, 3603880, 4504850, 5148400, 7207760, 9009700, 10296800, 14415520, 18019400, 36038800, 72077600]

約数ペア:

[(1, 72077600), (2, 36038800), (4, 18019400), (5, 14415520), (7, 10296800), (8, 9009700), (10, 7207760), (14, 5148400), (16, 4504850), (20, 3603880), (25, 2883104), (28, 2574200), (32, 2252425), (35, 2059360), (40, 1801940), (50, 1441552), (56, 1287100), (61, 1181600), (70, 1029680), (80, 900970), (100, 720776), (112, 643550), (122, 590800), (140, 514840), (160, 450485), (175, 411872), (200, 360388), (211, 341600), (224, 321775), (244, 295400), (280, 257420), (305, 236320), (350, 205936), (400, 180194), (422, 170800), (427, 168800), (488, 147700), (560, 128710), (610, 118160), (700, 102968), (800, 90097), (844, 85400), (854, 84400), (976, 73850), (1055, 68320), (1120, 64355), (1220, 59080), (1400, 51484), (1477, 48800), (1525, 47264), (1688, 42700), (1708, 42200), (1952, 36925), (2110, 34160), (2135, 33760), (2440, 29540), (2800, 25742), (2954, 24400), (3050, 23632), (3376, 21350), (3416, 21100), (4220, 17080), (4270, 16880), (4880, 14770), (5275, 13664), (5600, 12871), (5908, 12200), (6100, 11816), (6752, 10675), (6832, 10550), (7385, 9760), (8440, 8540)]