240820860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{573383}}^1$

素因数の和:573402

約数の個数: 48

約数和(自身を含む): 770628096

約数和(自身を除く): 529807236

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, 573383, 1146766, 1720149, 2293532, 2866915, 3440298, 4013681, 5733830, 6880596, 8027362, 8600745, 11467660, 12041043, 16054724, 17201490, 20068405, 24082086, 34402980, 40136810, 48164172, 60205215, 80273620, 120410430, 240820860]

約数ペア:

[(1, 240820860), (2, 120410430), (3, 80273620), (4, 60205215), (5, 48164172), (6, 40136810), (7, 34402980), (10, 24082086), (12, 20068405), (14, 17201490), (15, 16054724), (20, 12041043), (21, 11467660), (28, 8600745), (30, 8027362), (35, 6880596), (42, 5733830), (60, 4013681), (70, 3440298), (84, 2866915), (105, 2293532), (140, 1720149), (210, 1146766), (420, 573383)]