1316371840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2243}}^1$

素因数の和:2400

約数の個数: 128

約数和(自身を含む): 3625585920

約数和(自身を除く): 2309214080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 262, 280, 320, 448, 524, 560, 640, 655, 896, 917, 1048, 1120, 1310, 1834, 2096, 2240, 2243, 2620, 3668, 4192, 4480, 4486, 4585, 5240, 7336, 8384, 8972, 9170, 10480, 11215, 14672, 15701, 16768, 17944, 18340, 20960, 22430, 29344, 31402, 35888, 36680, 41920, 44860, 58688, 62804, 71776, 73360, 78505, 83840, 89720, 117376, 125608, 143552, 146720, 157010, 179440, 251216, 287104, 293440, 293833, 314020, 358880, 502432, 586880, 587666, 628040, 717760, 1004864, 1175332, 1256080, 1435520, 1469165, 2009728, 2056831, 2350664, 2512160, 2938330, 4113662, 4701328, 5024320, 5876660, 8227324, 9402656, 10048640, 10284155, 11753320, 16454648, 18805312, 20568310, 23506640, 32909296, 37610624, 41136620, 47013280, 65818592, 82273240, 94026560, 131637184, 164546480, 188053120, 263274368, 329092960, 658185920, 1316371840]

約数ペア:

[(1, 1316371840), (2, 658185920), (4, 329092960), (5, 263274368), (7, 188053120), (8, 164546480), (10, 131637184), (14, 94026560), (16, 82273240), (20, 65818592), (28, 47013280), (32, 41136620), (35, 37610624), (40, 32909296), (56, 23506640), (64, 20568310), (70, 18805312), (80, 16454648), (112, 11753320), (128, 10284155), (131, 10048640), (140, 9402656), (160, 8227324), (224, 5876660), (262, 5024320), (280, 4701328), (320, 4113662), (448, 2938330), (524, 2512160), (560, 2350664), (640, 2056831), (655, 2009728), (896, 1469165), (917, 1435520), (1048, 1256080), (1120, 1175332), (1310, 1004864), (1834, 717760), (2096, 628040), (2240, 587666), (2243, 586880), (2620, 502432), (3668, 358880), (4192, 314020), (4480, 293833), (4486, 293440), (4585, 287104), (5240, 251216), (7336, 179440), (8384, 157010), (8972, 146720), (9170, 143552), (10480, 125608), (11215, 117376), (14672, 89720), (15701, 83840), (16768, 78505), (17944, 73360), (18340, 71776), (20960, 62804), (22430, 58688), (29344, 44860), (31402, 41920), (35888, 36680)]