64015980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{152419}}^1$

素因数の和:152438

約数の個数: 48

約数和(自身を含む): 204852480

約数和(自身を除く): 140836500

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, 152419, 304838, 457257, 609676, 762095, 914514, 1066933, 1524190, 1829028, 2133866, 2286285, 3048380, 3200799, 4267732, 4572570, 5334665, 6401598, 9145140, 10669330, 12803196, 16003995, 21338660, 32007990, 64015980]

約数ペア:

[(1, 64015980), (2, 32007990), (3, 21338660), (4, 16003995), (5, 12803196), (6, 10669330), (7, 9145140), (10, 6401598), (12, 5334665), (14, 4572570), (15, 4267732), (20, 3200799), (21, 3048380), (28, 2286285), (30, 2133866), (35, 1829028), (42, 1524190), (60, 1066933), (70, 914514), (84, 762095), (105, 609676), (140, 457257), (210, 304838), (420, 152419)]