181287420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 526245888

約数和(自身を除く): 344958468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 127, 148, 185, 222, 254, 370, 381, 444, 508, 555, 635, 643, 740, 762, 1110, 1270, 1286, 1524, 1905, 1929, 2220, 2540, 2572, 3215, 3810, 3858, 4699, 6430, 7620, 7716, 9398, 9645, 12860, 14097, 18796, 19290, 23495, 23791, 28194, 38580, 46990, 47582, 56388, 70485, 71373, 81661, 93980, 95164, 118955, 140970, 142746, 163322, 237910, 244983, 281940, 285492, 326644, 356865, 408305, 475820, 489966, 713730, 816610, 979932, 1224915, 1427460, 1633220, 2449830, 3021457, 4899660, 6042914, 9064371, 12085828, 15107285, 18128742, 30214570, 36257484, 45321855, 60429140, 90643710, 181287420]

約数ペア:

[(1, 181287420), (2, 90643710), (3, 60429140), (4, 45321855), (5, 36257484), (6, 30214570), (10, 18128742), (12, 15107285), (15, 12085828), (20, 9064371), (30, 6042914), (37, 4899660), (60, 3021457), (74, 2449830), (111, 1633220), (127, 1427460), (148, 1224915), (185, 979932), (222, 816610), (254, 713730), (370, 489966), (381, 475820), (444, 408305), (508, 356865), (555, 326644), (635, 285492), (643, 281940), (740, 244983), (762, 237910), (1110, 163322), (1270, 142746), (1286, 140970), (1524, 118955), (1905, 95164), (1929, 93980), (2220, 81661), (2540, 71373), (2572, 70485), (3215, 56388), (3810, 47582), (3858, 46990), (4699, 38580), (6430, 28194), (7620, 23791), (7716, 23495), (9398, 19290), (9645, 18796), (12860, 14097)]