80973760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1038

約数の個数: 112

約数和(自身を含む): 226551744

約数和(自身を除く): 145577984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 448, 518, 560, 592, 740, 977, 1036, 1120, 1184, 1295, 1480, 1954, 2072, 2240, 2368, 2590, 2960, 3908, 4144, 4885, 5180, 5920, 6839, 7816, 8288, 9770, 10360, 11840, 13678, 15632, 16576, 19540, 20720, 27356, 31264, 34195, 36149, 39080, 41440, 54712, 62528, 68390, 72298, 78160, 82880, 109424, 136780, 144596, 156320, 180745, 218848, 253043, 273560, 289192, 312640, 361490, 437696, 506086, 547120, 578384, 722980, 1012172, 1094240, 1156768, 1265215, 1445960, 2024344, 2188480, 2313536, 2530430, 2891920, 4048688, 5060860, 5783840, 8097376, 10121720, 11567680, 16194752, 20243440, 40486880, 80973760]

約数ペア:

[(1, 80973760), (2, 40486880), (4, 20243440), (5, 16194752), (7, 11567680), (8, 10121720), (10, 8097376), (14, 5783840), (16, 5060860), (20, 4048688), (28, 2891920), (32, 2530430), (35, 2313536), (37, 2188480), (40, 2024344), (56, 1445960), (64, 1265215), (70, 1156768), (74, 1094240), (80, 1012172), (112, 722980), (140, 578384), (148, 547120), (160, 506086), (185, 437696), (224, 361490), (259, 312640), (280, 289192), (296, 273560), (320, 253043), (370, 218848), (448, 180745), (518, 156320), (560, 144596), (592, 136780), (740, 109424), (977, 82880), (1036, 78160), (1120, 72298), (1184, 68390), (1295, 62528), (1480, 54712), (1954, 41440), (2072, 39080), (2240, 36149), (2368, 34195), (2590, 31264), (2960, 27356), (3908, 20720), (4144, 19540), (4885, 16576), (5180, 15632), (5920, 13678), (6839, 11840), (7816, 10360), (8288, 9770)]