1816203420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113371}}^1$

素因数の和:113475

約数の個数: 72

約数和(自身を含む): 5571100080

約数和(自身を除く): 3754896660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 113371, 226742, 340113, 453484, 566855, 680226, 1020339, 1133710, 1360452, 1700565, 2040678, 2267420, 3401130, 4081356, 5101695, 6802260, 10090019, 10203390, 20180038, 20406780, 30270057, 40360076, 50450095, 60540114, 90810171, 100900190, 121080228, 151350285, 181620342, 201800380, 302700570, 363240684, 454050855, 605401140, 908101710, 1816203420]

約数ペア:

[(1, 1816203420), (2, 908101710), (3, 605401140), (4, 454050855), (5, 363240684), (6, 302700570), (9, 201800380), (10, 181620342), (12, 151350285), (15, 121080228), (18, 100900190), (20, 90810171), (30, 60540114), (36, 50450095), (45, 40360076), (60, 30270057), (89, 20406780), (90, 20180038), (178, 10203390), (180, 10090019), (267, 6802260), (356, 5101695), (445, 4081356), (534, 3401130), (801, 2267420), (890, 2040678), (1068, 1700565), (1335, 1360452), (1602, 1133710), (1780, 1020339), (2670, 680226), (3204, 566855), (4005, 453484), (5340, 340113), (8010, 226742), (16020, 113371)]