66542940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19457}}^1$

素因数の和:19491

約数の個数: 72

約数和(自身を含む): 212481360

約数和(自身を除く): 145938420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 19457, 38914, 58371, 77828, 97285, 116742, 175113, 194570, 233484, 291855, 350226, 369683, 389140, 583710, 700452, 739366, 875565, 1109049, 1167420, 1478732, 1751130, 1848415, 2218098, 3327147, 3502260, 3696830, 4436196, 5545245, 6654294, 7393660, 11090490, 13308588, 16635735, 22180980, 33271470, 66542940]

約数ペア:

[(1, 66542940), (2, 33271470), (3, 22180980), (4, 16635735), (5, 13308588), (6, 11090490), (9, 7393660), (10, 6654294), (12, 5545245), (15, 4436196), (18, 3696830), (19, 3502260), (20, 3327147), (30, 2218098), (36, 1848415), (38, 1751130), (45, 1478732), (57, 1167420), (60, 1109049), (76, 875565), (90, 739366), (95, 700452), (114, 583710), (171, 389140), (180, 369683), (190, 350226), (228, 291855), (285, 233484), (342, 194570), (380, 175113), (570, 116742), (684, 97285), (855, 77828), (1140, 58371), (1710, 38914), (3420, 19457)]