128349720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4513}}^1$

素因数の和:4609

約数の個数: 96

約数和(自身を含む): 422510400

約数和(自身を除く): 294160680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 4513, 4740, 5688, 7110, 9026, 9480, 13539, 14220, 18052, 22565, 27078, 28440, 36104, 40617, 45130, 54156, 67695, 81234, 90260, 108312, 135390, 162468, 180520, 203085, 270780, 324936, 356527, 406170, 541560, 713054, 812340, 1069581, 1426108, 1624680, 1782635, 2139162, 2852216, 3208743, 3565270, 4278324, 5347905, 6417486, 7130540, 8556648, 10695810, 12834972, 14261080, 16043715, 21391620, 25669944, 32087430, 42783240, 64174860, 128349720]

約数ペア:

[(1, 128349720), (2, 64174860), (3, 42783240), (4, 32087430), (5, 25669944), (6, 21391620), (8, 16043715), (9, 14261080), (10, 12834972), (12, 10695810), (15, 8556648), (18, 7130540), (20, 6417486), (24, 5347905), (30, 4278324), (36, 3565270), (40, 3208743), (45, 2852216), (60, 2139162), (72, 1782635), (79, 1624680), (90, 1426108), (120, 1069581), (158, 812340), (180, 713054), (237, 541560), (316, 406170), (360, 356527), (395, 324936), (474, 270780), (632, 203085), (711, 180520), (790, 162468), (948, 135390), (1185, 108312), (1422, 90260), (1580, 81234), (1896, 67695), (2370, 54156), (2844, 45130), (3160, 40617), (3555, 36104), (4513, 28440), (4740, 27078), (5688, 22565), (7110, 18052), (9026, 14220), (9480, 13539)]