1340287744

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 2746375632

約数和(自身を除く): 1406087888

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 173, 212, 256, 346, 424, 571, 692, 848, 1142, 1384, 1696, 2284, 2768, 3392, 4568, 5536, 6784, 9136, 9169, 11072, 13568, 18272, 18338, 22144, 30263, 36544, 36676, 44288, 60526, 73088, 73352, 98783, 121052, 146176, 146704, 197566, 242104, 293408, 395132, 484208, 586816, 790264, 968416, 1173632, 1580528, 1936832, 2347264, 3161056, 3873664, 5235499, 6322112, 7747328, 10470998, 12644224, 20941996, 25288448, 41883992, 83767984, 167535968, 335071936, 670143872, 1340287744]

約数ペア:

[(1, 1340287744), (2, 670143872), (4, 335071936), (8, 167535968), (16, 83767984), (32, 41883992), (53, 25288448), (64, 20941996), (106, 12644224), (128, 10470998), (173, 7747328), (212, 6322112), (256, 5235499), (346, 3873664), (424, 3161056), (571, 2347264), (692, 1936832), (848, 1580528), (1142, 1173632), (1384, 968416), (1696, 790264), (2284, 586816), (2768, 484208), (3392, 395132), (4568, 293408), (5536, 242104), (6784, 197566), (9136, 146704), (9169, 146176), (11072, 121052), (13568, 98783), (18272, 73352), (18338, 73088), (22144, 60526), (30263, 44288), (36544, 36676)]