16451680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 45734976

約数和(自身を除く): 29283296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 397, 518, 560, 592, 740, 794, 1036, 1120, 1184, 1295, 1480, 1588, 1985, 2072, 2590, 2779, 2960, 3176, 3970, 4144, 5180, 5558, 5920, 6352, 7940, 8288, 10360, 11116, 12704, 13895, 14689, 15880, 20720, 22232, 27790, 29378, 31760, 41440, 44464, 55580, 58756, 63520, 73445, 88928, 102823, 111160, 117512, 146890, 205646, 222320, 235024, 293780, 411292, 444640, 470048, 514115, 587560, 822584, 1028230, 1175120, 1645168, 2056460, 2350240, 3290336, 4112920, 8225840, 16451680]

約数ペア:

[(1, 16451680), (2, 8225840), (4, 4112920), (5, 3290336), (7, 2350240), (8, 2056460), (10, 1645168), (14, 1175120), (16, 1028230), (20, 822584), (28, 587560), (32, 514115), (35, 470048), (37, 444640), (40, 411292), (56, 293780), (70, 235024), (74, 222320), (80, 205646), (112, 146890), (140, 117512), (148, 111160), (160, 102823), (185, 88928), (224, 73445), (259, 63520), (280, 58756), (296, 55580), (370, 44464), (397, 41440), (518, 31760), (560, 29378), (592, 27790), (740, 22232), (794, 20720), (1036, 15880), (1120, 14689), (1184, 13895), (1295, 12704), (1480, 11116), (1588, 10360), (1985, 8288), (2072, 7940), (2590, 6352), (2779, 5920), (2960, 5558), (3176, 5180), (3970, 4144)]