289585560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2777}}^1$

素因数の和:2881

約数の個数: 128

約数和(自身を含む): 960076800

約数和(自身を除く): 670491240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 316, 330, 395, 440, 474, 632, 660, 790, 869, 948, 1185, 1320, 1580, 1738, 1896, 2370, 2607, 2777, 3160, 3476, 4345, 4740, 5214, 5554, 6952, 8331, 8690, 9480, 10428, 11108, 13035, 13885, 16662, 17380, 20856, 22216, 26070, 27770, 30547, 33324, 34760, 41655, 52140, 55540, 61094, 66648, 83310, 91641, 104280, 111080, 122188, 152735, 166620, 183282, 219383, 244376, 305470, 333240, 366564, 438766, 458205, 610940, 658149, 733128, 877532, 916410, 1096915, 1221880, 1316298, 1755064, 1832820, 2193830, 2413213, 2632596, 3290745, 3665640, 4387660, 4826426, 5265192, 6581490, 7239639, 8775320, 9652852, 12066065, 13162980, 14479278, 19305704, 24132130, 26325960, 28958556, 36198195, 48264260, 57917112, 72396390, 96528520, 144792780, 289585560]

約数ペア:

[(1, 289585560), (2, 144792780), (3, 96528520), (4, 72396390), (5, 57917112), (6, 48264260), (8, 36198195), (10, 28958556), (11, 26325960), (12, 24132130), (15, 19305704), (20, 14479278), (22, 13162980), (24, 12066065), (30, 9652852), (33, 8775320), (40, 7239639), (44, 6581490), (55, 5265192), (60, 4826426), (66, 4387660), (79, 3665640), (88, 3290745), (110, 2632596), (120, 2413213), (132, 2193830), (158, 1832820), (165, 1755064), (220, 1316298), (237, 1221880), (264, 1096915), (316, 916410), (330, 877532), (395, 733128), (440, 658149), (474, 610940), (632, 458205), (660, 438766), (790, 366564), (869, 333240), (948, 305470), (1185, 244376), (1320, 219383), (1580, 183282), (1738, 166620), (1896, 152735), (2370, 122188), (2607, 111080), (2777, 104280), (3160, 91641), (3476, 83310), (4345, 66648), (4740, 61094), (5214, 55540), (5554, 52140), (6952, 41655), (8331, 34760), (8690, 33324), (9480, 30547), (10428, 27770), (11108, 26070), (13035, 22216), (13885, 20856), (16662, 17380)]