80340660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 257816832

約数和(自身を除く): 177476172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 243, 244, 270, 271, 305, 324, 366, 405, 486, 540, 542, 549, 610, 732, 810, 813, 915, 972, 1084, 1098, 1215, 1220, 1355, 1620, 1626, 1647, 1830, 2196, 2430, 2439, 2710, 2745, 3252, 3294, 3660, 4065, 4860, 4878, 4941, 5420, 5490, 6588, 7317, 8130, 8235, 9756, 9882, 10980, 12195, 14634, 14823, 16260, 16470, 16531, 19764, 21951, 24390, 24705, 29268, 29646, 32940, 33062, 36585, 43902, 48780, 49410, 49593, 59292, 65853, 66124, 73170, 74115, 82655, 87804, 98820, 99186, 109755, 131706, 146340, 148230, 148779, 165310, 198372, 219510, 247965, 263412, 296460, 297558, 329265, 330620, 439020, 446337, 495930, 595116, 658530, 743895, 892674, 991860, 1317060, 1339011, 1487790, 1785348, 2231685, 2678022, 2975580, 4017033, 4463370, 5356044, 6695055, 8034066, 8926740, 13390110, 16068132, 20085165, 26780220, 40170330, 80340660]

約数ペア:

[(1, 80340660), (2, 40170330), (3, 26780220), (4, 20085165), (5, 16068132), (6, 13390110), (9, 8926740), (10, 8034066), (12, 6695055), (15, 5356044), (18, 4463370), (20, 4017033), (27, 2975580), (30, 2678022), (36, 2231685), (45, 1785348), (54, 1487790), (60, 1339011), (61, 1317060), (81, 991860), (90, 892674), (108, 743895), (122, 658530), (135, 595116), (162, 495930), (180, 446337), (183, 439020), (243, 330620), (244, 329265), (270, 297558), (271, 296460), (305, 263412), (324, 247965), (366, 219510), (405, 198372), (486, 165310), (540, 148779), (542, 148230), (549, 146340), (610, 131706), (732, 109755), (810, 99186), (813, 98820), (915, 87804), (972, 82655), (1084, 74115), (1098, 73170), (1215, 66124), (1220, 65853), (1355, 59292), (1620, 49593), (1626, 49410), (1647, 48780), (1830, 43902), (2196, 36585), (2430, 33062), (2439, 32940), (2710, 29646), (2745, 29268), (3252, 24705), (3294, 24390), (3660, 21951), (4065, 19764), (4860, 16531), (4878, 16470), (4941, 16260), (5420, 14823), (5490, 14634), (6588, 12195), (7317, 10980), (8130, 9882), (8235, 9756)]