66515820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158371}}^1$

素因数の和:158390

約数の個数: 48

約数和(自身を含む): 212851968

約数和(自身を除く): 146336148

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, 158371, 316742, 475113, 633484, 791855, 950226, 1108597, 1583710, 1900452, 2217194, 2375565, 3167420, 3325791, 4434388, 4751130, 5542985, 6651582, 9502260, 11085970, 13303164, 16628955, 22171940, 33257910, 66515820]

約数ペア:

[(1, 66515820), (2, 33257910), (3, 22171940), (4, 16628955), (5, 13303164), (6, 11085970), (7, 9502260), (10, 6651582), (12, 5542985), (14, 4751130), (15, 4434388), (20, 3325791), (21, 3167420), (28, 2375565), (30, 2217194), (35, 1900452), (42, 1583710), (60, 1108597), (70, 950226), (84, 791855), (105, 633484), (140, 475113), (210, 316742), (420, 158371)]