159403984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 338549760

約数和(自身を除く): 179145776

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 89, 92, 124, 157, 178, 184, 248, 314, 356, 368, 496, 628, 712, 713, 1256, 1424, 1426, 2047, 2512, 2759, 2852, 3611, 4094, 4867, 5518, 5704, 7222, 8188, 9734, 11036, 11408, 13973, 14444, 16376, 19468, 22072, 27946, 28888, 32752, 38936, 44144, 55892, 57776, 63457, 77872, 111784, 111941, 126914, 223568, 223882, 253828, 321379, 433163, 447764, 507656, 642758, 866326, 895528, 1015312, 1285516, 1732652, 1791056, 2571032, 3465304, 5142064, 6930608, 9962749, 19925498, 39850996, 79701992, 159403984]

約数ペア:

[(1, 159403984), (2, 79701992), (4, 39850996), (8, 19925498), (16, 9962749), (23, 6930608), (31, 5142064), (46, 3465304), (62, 2571032), (89, 1791056), (92, 1732652), (124, 1285516), (157, 1015312), (178, 895528), (184, 866326), (248, 642758), (314, 507656), (356, 447764), (368, 433163), (496, 321379), (628, 253828), (712, 223882), (713, 223568), (1256, 126914), (1424, 111941), (1426, 111784), (2047, 77872), (2512, 63457), (2759, 57776), (2852, 55892), (3611, 44144), (4094, 38936), (4867, 32752), (5518, 28888), (5704, 27946), (7222, 22072), (8188, 19468), (9734, 16376), (11036, 14444), (11408, 13973)]