138628980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{110023}}^1$

素因数の和:110045

約数の個数: 72

約数和(自身を含む): 480584832

約数和(自身を除く): 341955852

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, 110023, 220046, 330069, 440092, 550115, 660138, 770161, 990207, 1100230, 1320276, 1540322, 1650345, 1980414, 2200460, 2310483, 3080644, 3300690, 3850805, 3960828, 4620966, 4951035, 6601380, 6931449, 7701610, 9241932, 9902070, 11552415, 13862898, 15403220, 19804140, 23104830, 27725796, 34657245, 46209660, 69314490, 138628980]

約数ペア:

[(1, 138628980), (2, 69314490), (3, 46209660), (4, 34657245), (5, 27725796), (6, 23104830), (7, 19804140), (9, 15403220), (10, 13862898), (12, 11552415), (14, 9902070), (15, 9241932), (18, 7701610), (20, 6931449), (21, 6601380), (28, 4951035), (30, 4620966), (35, 3960828), (36, 3850805), (42, 3300690), (45, 3080644), (60, 2310483), (63, 2200460), (70, 1980414), (84, 1650345), (90, 1540322), (105, 1320276), (126, 1100230), (140, 990207), (180, 770161), (210, 660138), (252, 550115), (315, 440092), (420, 330069), (630, 220046), (1260, 110023)]