153456440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 356801760

約数和(自身を除く): 203345320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 410, 548, 683, 685, 820, 1096, 1366, 1370, 1640, 2732, 2740, 3415, 5464, 5480, 5617, 6830, 11234, 13660, 22468, 27320, 28003, 28085, 44936, 56006, 56170, 93571, 112012, 112340, 140015, 187142, 224024, 224680, 280030, 374284, 467855, 560060, 748568, 935710, 1120120, 1871420, 3742840, 3836411, 7672822, 15345644, 19182055, 30691288, 38364110, 76728220, 153456440]

約数ペア:

[(1, 153456440), (2, 76728220), (4, 38364110), (5, 30691288), (8, 19182055), (10, 15345644), (20, 7672822), (40, 3836411), (41, 3742840), (82, 1871420), (137, 1120120), (164, 935710), (205, 748568), (274, 560060), (328, 467855), (410, 374284), (548, 280030), (683, 224680), (685, 224024), (820, 187142), (1096, 140015), (1366, 112340), (1370, 112012), (1640, 93571), (2732, 56170), (2740, 56006), (3415, 44936), (5464, 28085), (5480, 28003), (5617, 27320), (6830, 22468), (11234, 13660)]