68918640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41023}}^1$

素因数の和:41046

約数の個数: 80

約数和(自身を含む): 244174848

約数和(自身を除く): 175256208

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, 41023, 82046, 123069, 164092, 205115, 246138, 287161, 328184, 410230, 492276, 574322, 615345, 656368, 820460, 861483, 984552, 1148644, 1230690, 1435805, 1640920, 1722966, 1969104, 2297288, 2461380, 2871610, 3281840, 3445932, 4307415, 4594576, 4922760, 5743220, 6891864, 8614830, 9845520, 11486440, 13783728, 17229660, 22972880, 34459320, 68918640]

約数ペア:

[(1, 68918640), (2, 34459320), (3, 22972880), (4, 17229660), (5, 13783728), (6, 11486440), (7, 9845520), (8, 8614830), (10, 6891864), (12, 5743220), (14, 4922760), (15, 4594576), (16, 4307415), (20, 3445932), (21, 3281840), (24, 2871610), (28, 2461380), (30, 2297288), (35, 1969104), (40, 1722966), (42, 1640920), (48, 1435805), (56, 1230690), (60, 1148644), (70, 984552), (80, 861483), (84, 820460), (105, 656368), (112, 615345), (120, 574322), (140, 492276), (168, 410230), (210, 328184), (240, 287161), (280, 246138), (336, 205115), (420, 164092), (560, 123069), (840, 82046), (1680, 41023)]