81410910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2945

約数の個数: 64

約数和(自身を含む): 224985600

約数和(自身を除く): 143574690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 1390, 1946, 2085, 2789, 2919, 4170, 4865, 5578, 5838, 8367, 9730, 13945, 14595, 16734, 19523, 27890, 29190, 39046, 41835, 58569, 83670, 97615, 117138, 195230, 292845, 387671, 585690, 775342, 1163013, 1938355, 2326026, 2713697, 3876710, 5427394, 5815065, 8141091, 11630130, 13568485, 16282182, 27136970, 40705455, 81410910]

約数ペア:

[(1, 81410910), (2, 40705455), (3, 27136970), (5, 16282182), (6, 13568485), (7, 11630130), (10, 8141091), (14, 5815065), (15, 5427394), (21, 3876710), (30, 2713697), (35, 2326026), (42, 1938355), (70, 1163013), (105, 775342), (139, 585690), (210, 387671), (278, 292845), (417, 195230), (695, 117138), (834, 97615), (973, 83670), (1390, 58569), (1946, 41835), (2085, 39046), (2789, 29190), (2919, 27890), (4170, 19523), (4865, 16734), (5578, 14595), (5838, 13945), (8367, 9730)]