68515020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54377}}^1$

素因数の和:54399

約数の個数: 72

約数和(自身を含む): 237523104

約数和(自身を除く): 169008084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54377, 108754, 163131, 217508, 271885, 326262, 380639, 489393, 543770, 652524, 761278, 815655, 978786, 1087540, 1141917, 1522556, 1631310, 1903195, 1957572, 2283834, 2446965, 3262620, 3425751, 3806390, 4567668, 4893930, 5709585, 6851502, 7612780, 9787860, 11419170, 13703004, 17128755, 22838340, 34257510, 68515020]

約数ペア:

[(1, 68515020), (2, 34257510), (3, 22838340), (4, 17128755), (5, 13703004), (6, 11419170), (7, 9787860), (9, 7612780), (10, 6851502), (12, 5709585), (14, 4893930), (15, 4567668), (18, 3806390), (20, 3425751), (21, 3262620), (28, 2446965), (30, 2283834), (35, 1957572), (36, 1903195), (42, 1631310), (45, 1522556), (60, 1141917), (63, 1087540), (70, 978786), (84, 815655), (90, 761278), (105, 652524), (126, 543770), (140, 489393), (180, 380639), (210, 326262), (252, 271885), (315, 217508), (420, 163131), (630, 108754), (1260, 54377)]