78802020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39799}}^1$

素因数の和:39825

約数の個数: 72

約数和(自身を含む): 260769600

約数和(自身を除く): 181967580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39799, 79598, 119397, 159196, 198995, 238794, 358191, 397990, 437789, 477588, 596985, 716382, 795980, 875578, 1193970, 1313367, 1432764, 1751156, 1790955, 2188945, 2387940, 2626734, 3581910, 3940101, 4377890, 5253468, 6566835, 7163820, 7880202, 8755780, 13133670, 15760404, 19700505, 26267340, 39401010, 78802020]

約数ペア:

[(1, 78802020), (2, 39401010), (3, 26267340), (4, 19700505), (5, 15760404), (6, 13133670), (9, 8755780), (10, 7880202), (11, 7163820), (12, 6566835), (15, 5253468), (18, 4377890), (20, 3940101), (22, 3581910), (30, 2626734), (33, 2387940), (36, 2188945), (44, 1790955), (45, 1751156), (55, 1432764), (60, 1313367), (66, 1193970), (90, 875578), (99, 795980), (110, 716382), (132, 596985), (165, 477588), (180, 437789), (198, 397990), (220, 358191), (330, 238794), (396, 198995), (495, 159196), (660, 119397), (990, 79598), (1980, 39799)]