1918980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1523}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 6656832

約数和(自身を除く): 4737852

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, 1523, 3046, 4569, 6092, 7615, 9138, 10661, 13707, 15230, 18276, 21322, 22845, 27414, 30460, 31983, 42644, 45690, 53305, 54828, 63966, 68535, 91380, 95949, 106610, 127932, 137070, 159915, 191898, 213220, 274140, 319830, 383796, 479745, 639660, 959490, 1918980]

約数ペア:

[(1, 1918980), (2, 959490), (3, 639660), (4, 479745), (5, 383796), (6, 319830), (7, 274140), (9, 213220), (10, 191898), (12, 159915), (14, 137070), (15, 127932), (18, 106610), (20, 95949), (21, 91380), (28, 68535), (30, 63966), (35, 54828), (36, 53305), (42, 45690), (45, 42644), (60, 31983), (63, 30460), (70, 27414), (84, 22845), (90, 21322), (105, 18276), (126, 15230), (140, 13707), (180, 10661), (210, 9138), (252, 7615), (315, 6092), (420, 4569), (630, 3046), (1260, 1523)]