90678840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107951}}^1$

素因数の和:107972

約数の個数: 64

約数和(自身を含む): 310901760

約数和(自身を除く): 220222920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 107951, 215902, 323853, 431804, 539755, 647706, 755657, 863608, 1079510, 1295412, 1511314, 1619265, 2159020, 2266971, 2590824, 3022628, 3238530, 3778285, 4318040, 4533942, 6045256, 6477060, 7556570, 9067884, 11334855, 12954120, 15113140, 18135768, 22669710, 30226280, 45339420, 90678840]

約数ペア:

[(1, 90678840), (2, 45339420), (3, 30226280), (4, 22669710), (5, 18135768), (6, 15113140), (7, 12954120), (8, 11334855), (10, 9067884), (12, 7556570), (14, 6477060), (15, 6045256), (20, 4533942), (21, 4318040), (24, 3778285), (28, 3238530), (30, 3022628), (35, 2590824), (40, 2266971), (42, 2159020), (56, 1619265), (60, 1511314), (70, 1295412), (84, 1079510), (105, 863608), (120, 755657), (140, 647706), (168, 539755), (210, 431804), (280, 323853), (420, 215902), (840, 107951)]