81727560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{599}}^1$

素因数の和:995

約数の個数: 96

約数和(自身を含む): 266760000

約数和(自身を除く): 185032440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 379, 599, 758, 1137, 1198, 1516, 1797, 1895, 2274, 2396, 2995, 3032, 3411, 3594, 3790, 4548, 4792, 5391, 5685, 5990, 6822, 7188, 7580, 8985, 9096, 10782, 11370, 11980, 13644, 14376, 15160, 17055, 17970, 21564, 22740, 23960, 26955, 27288, 34110, 35940, 43128, 45480, 53910, 68220, 71880, 107820, 136440, 215640, 227021, 454042, 681063, 908084, 1135105, 1362126, 1816168, 2043189, 2270210, 2724252, 3405315, 4086378, 4540420, 5448504, 6810630, 8172756, 9080840, 10215945, 13621260, 16345512, 20431890, 27242520, 40863780, 81727560]

約数ペア:

[(1, 81727560), (2, 40863780), (3, 27242520), (4, 20431890), (5, 16345512), (6, 13621260), (8, 10215945), (9, 9080840), (10, 8172756), (12, 6810630), (15, 5448504), (18, 4540420), (20, 4086378), (24, 3405315), (30, 2724252), (36, 2270210), (40, 2043189), (45, 1816168), (60, 1362126), (72, 1135105), (90, 908084), (120, 681063), (180, 454042), (360, 227021), (379, 215640), (599, 136440), (758, 107820), (1137, 71880), (1198, 68220), (1516, 53910), (1797, 45480), (1895, 43128), (2274, 35940), (2396, 34110), (2995, 27288), (3032, 26955), (3411, 23960), (3594, 22740), (3790, 21564), (4548, 17970), (4792, 17055), (5391, 15160), (5685, 14376), (5990, 13644), (6822, 11980), (7188, 11370), (7580, 10782), (8985, 9096)]