51681840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{30763}}^1$

素因数の和:30786

約数の個数: 80

約数和(自身を含む): 183107328

約数和(自身を除く): 131425488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 30763, 61526, 92289, 123052, 153815, 184578, 215341, 246104, 307630, 369156, 430682, 461445, 492208, 615260, 646023, 738312, 861364, 922890, 1076705, 1230520, 1292046, 1476624, 1722728, 1845780, 2153410, 2461040, 2584092, 3230115, 3445456, 3691560, 4306820, 5168184, 6460230, 7383120, 8613640, 10336368, 12920460, 17227280, 25840920, 51681840]

約数ペア:

[(1, 51681840), (2, 25840920), (3, 17227280), (4, 12920460), (5, 10336368), (6, 8613640), (7, 7383120), (8, 6460230), (10, 5168184), (12, 4306820), (14, 3691560), (15, 3445456), (16, 3230115), (20, 2584092), (21, 2461040), (24, 2153410), (28, 1845780), (30, 1722728), (35, 1476624), (40, 1292046), (42, 1230520), (48, 1076705), (56, 922890), (60, 861364), (70, 738312), (80, 646023), (84, 615260), (105, 492208), (112, 461445), (120, 430682), (140, 369156), (168, 307630), (210, 246104), (240, 215341), (280, 184578), (336, 153815), (420, 123052), (560, 92289), (840, 61526), (1680, 30763)]