77728980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185069}}^1$

素因数の和:185088

約数の個数: 48

約数和(自身を含む): 248734080

約数和(自身を除く): 171005100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185069, 370138, 555207, 740276, 925345, 1110414, 1295483, 1850690, 2220828, 2590966, 2776035, 3701380, 3886449, 5181932, 5552070, 6477415, 7772898, 11104140, 12954830, 15545796, 19432245, 25909660, 38864490, 77728980]

約数ペア:

[(1, 77728980), (2, 38864490), (3, 25909660), (4, 19432245), (5, 15545796), (6, 12954830), (7, 11104140), (10, 7772898), (12, 6477415), (14, 5552070), (15, 5181932), (20, 3886449), (21, 3701380), (28, 2776035), (30, 2590966), (35, 2220828), (42, 1850690), (60, 1295483), (70, 1110414), (84, 925345), (105, 740276), (140, 555207), (210, 370138), (420, 185069)]