128448120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8171}}^1$

素因数の和:8316

約数の個数: 64

約数和(自身を含む): 388333440

約数和(自身を除く): 259885320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 8171, 15720, 16342, 24513, 32684, 40855, 49026, 65368, 81710, 98052, 122565, 163420, 196104, 245130, 326840, 490260, 980520, 1070401, 2140802, 3211203, 4281604, 5352005, 6422406, 8563208, 10704010, 12844812, 16056015, 21408020, 25689624, 32112030, 42816040, 64224060, 128448120]

約数ペア:

[(1, 128448120), (2, 64224060), (3, 42816040), (4, 32112030), (5, 25689624), (6, 21408020), (8, 16056015), (10, 12844812), (12, 10704010), (15, 8563208), (20, 6422406), (24, 5352005), (30, 4281604), (40, 3211203), (60, 2140802), (120, 1070401), (131, 980520), (262, 490260), (393, 326840), (524, 245130), (655, 196104), (786, 163420), (1048, 122565), (1310, 98052), (1572, 81710), (1965, 65368), (2620, 49026), (3144, 40855), (3930, 32684), (5240, 24513), (7860, 16342), (8171, 15720)]