420727020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3221}}^1$

素因数の和:3551

約数の個数: 96

約数和(自身を含む): 1351074816

約数和(自身を除く): 930347796

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, 311, 420, 622, 933, 1244, 1555, 1866, 2177, 3110, 3221, 3732, 4354, 4665, 6220, 6442, 6531, 8708, 9330, 9663, 10885, 12884, 13062, 16105, 18660, 19326, 21770, 22547, 26124, 32210, 32655, 38652, 43540, 45094, 48315, 64420, 65310, 67641, 90188, 96630, 112735, 130620, 135282, 193260, 225470, 270564, 338205, 450940, 676410, 1001731, 1352820, 2003462, 3005193, 4006924, 5008655, 6010386, 7012117, 10017310, 12020772, 14024234, 15025965, 20034620, 21036351, 28048468, 30051930, 35060585, 42072702, 60103860, 70121170, 84145404, 105181755, 140242340, 210363510, 420727020]

約数ペア:

[(1, 420727020), (2, 210363510), (3, 140242340), (4, 105181755), (5, 84145404), (6, 70121170), (7, 60103860), (10, 42072702), (12, 35060585), (14, 30051930), (15, 28048468), (20, 21036351), (21, 20034620), (28, 15025965), (30, 14024234), (35, 12020772), (42, 10017310), (60, 7012117), (70, 6010386), (84, 5008655), (105, 4006924), (140, 3005193), (210, 2003462), (311, 1352820), (420, 1001731), (622, 676410), (933, 450940), (1244, 338205), (1555, 270564), (1866, 225470), (2177, 193260), (3110, 135282), (3221, 130620), (3732, 112735), (4354, 96630), (4665, 90188), (6220, 67641), (6442, 65310), (6531, 64420), (8708, 48315), (9330, 45094), (9663, 43540), (10885, 38652), (12884, 32655), (13062, 32210), (16105, 26124), (18660, 22547), (19326, 21770)]