1813911960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2159419}}^1$

素因数の和:2159440

約数の個数: 64

約数和(自身を含む): 6219129600

約数和(自身を除く): 4405217640

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, 2159419, 4318838, 6478257, 8637676, 10797095, 12956514, 15115933, 17275352, 21594190, 25913028, 30231866, 32391285, 43188380, 45347799, 51826056, 60463732, 64782570, 75579665, 86376760, 90695598, 120927464, 129565140, 151159330, 181391196, 226738995, 259130280, 302318660, 362782392, 453477990, 604637320, 906955980, 1813911960]

約数ペア:

[(1, 1813911960), (2, 906955980), (3, 604637320), (4, 453477990), (5, 362782392), (6, 302318660), (7, 259130280), (8, 226738995), (10, 181391196), (12, 151159330), (14, 129565140), (15, 120927464), (20, 90695598), (21, 86376760), (24, 75579665), (28, 64782570), (30, 60463732), (35, 51826056), (40, 45347799), (42, 43188380), (56, 32391285), (60, 30231866), (70, 25913028), (84, 21594190), (105, 17275352), (120, 15115933), (140, 12956514), (168, 10797095), (210, 8637676), (280, 6478257), (420, 4318838), (840, 2159419)]