1720790640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{30253}}^1$

素因数の和:30351

約数の個数: 120

約数和(自身を含む): 5852333760

約数和(自身を除く): 4131543120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 28440, 30253, 56880, 60506, 90759, 121012, 151265, 181518, 242024, 272277, 302530, 363036, 453795, 484048, 544554, 605060, 726072, 907590, 1089108, 1210120, 1361385, 1452144, 1815180, 2178216, 2389987, 2420240, 2722770, 3630360, 4356432, 4779974, 5445540, 7169961, 7260720, 9559948, 10891080, 11949935, 14339922, 19119896, 21509883, 21782160, 23899870, 28679844, 35849805, 38239792, 43019766, 47799740, 57359688, 71699610, 86039532, 95599480, 107549415, 114719376, 143399220, 172079064, 191198960, 215098830, 286798440, 344158128, 430197660, 573596880, 860395320, 1720790640]

約数ペア:

[(1, 1720790640), (2, 860395320), (3, 573596880), (4, 430197660), (5, 344158128), (6, 286798440), (8, 215098830), (9, 191198960), (10, 172079064), (12, 143399220), (15, 114719376), (16, 107549415), (18, 95599480), (20, 86039532), (24, 71699610), (30, 57359688), (36, 47799740), (40, 43019766), (45, 38239792), (48, 35849805), (60, 28679844), (72, 23899870), (79, 21782160), (80, 21509883), (90, 19119896), (120, 14339922), (144, 11949935), (158, 10891080), (180, 9559948), (237, 7260720), (240, 7169961), (316, 5445540), (360, 4779974), (395, 4356432), (474, 3630360), (632, 2722770), (711, 2420240), (720, 2389987), (790, 2178216), (948, 1815180), (1185, 1452144), (1264, 1361385), (1422, 1210120), (1580, 1089108), (1896, 907590), (2370, 726072), (2844, 605060), (3160, 544554), (3555, 484048), (3792, 453795), (4740, 363036), (5688, 302530), (6320, 272277), (7110, 242024), (9480, 181518), (11376, 151265), (14220, 121012), (18960, 90759), (28440, 60506), (30253, 56880)]