81388440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32297}}^1$

素因数の和:32321

約数の個数: 96

約数和(自身を含む): 302309280

約数和(自身を除く): 220920840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32297, 64594, 96891, 129188, 161485, 193782, 226079, 258376, 290673, 322970, 387564, 452158, 484455, 581346, 645940, 678237, 775128, 904316, 968910, 1130395, 1162692, 1291880, 1356474, 1453365, 1808632, 1937820, 2034711, 2260790, 2325384, 2712948, 2906730, 3391185, 3875640, 4069422, 4521580, 5425896, 5813460, 6782370, 8138844, 9043160, 10173555, 11626920, 13564740, 16277688, 20347110, 27129480, 40694220, 81388440]

約数ペア:

[(1, 81388440), (2, 40694220), (3, 27129480), (4, 20347110), (5, 16277688), (6, 13564740), (7, 11626920), (8, 10173555), (9, 9043160), (10, 8138844), (12, 6782370), (14, 5813460), (15, 5425896), (18, 4521580), (20, 4069422), (21, 3875640), (24, 3391185), (28, 2906730), (30, 2712948), (35, 2325384), (36, 2260790), (40, 2034711), (42, 1937820), (45, 1808632), (56, 1453365), (60, 1356474), (63, 1291880), (70, 1162692), (72, 1130395), (84, 968910), (90, 904316), (105, 775128), (120, 678237), (126, 645940), (140, 581346), (168, 484455), (180, 452158), (210, 387564), (252, 322970), (280, 290673), (315, 258376), (360, 226079), (420, 193782), (504, 161485), (630, 129188), (840, 96891), (1260, 64594), (2520, 32297)]