16356420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 50221080

約数和(自身を除く): 33864660

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, 1021, 1068, 1335, 1602, 1780, 2042, 2670, 3063, 3204, 4005, 4084, 5105, 5340, 6126, 8010, 9189, 10210, 12252, 15315, 16020, 18378, 20420, 30630, 36756, 45945, 61260, 90869, 91890, 181738, 183780, 272607, 363476, 454345, 545214, 817821, 908690, 1090428, 1363035, 1635642, 1817380, 2726070, 3271284, 4089105, 5452140, 8178210, 16356420]

約数ペア:

[(1, 16356420), (2, 8178210), (3, 5452140), (4, 4089105), (5, 3271284), (6, 2726070), (9, 1817380), (10, 1635642), (12, 1363035), (15, 1090428), (18, 908690), (20, 817821), (30, 545214), (36, 454345), (45, 363476), (60, 272607), (89, 183780), (90, 181738), (178, 91890), (180, 90869), (267, 61260), (356, 45945), (445, 36756), (534, 30630), (801, 20420), (890, 18378), (1021, 16020), (1068, 15315), (1335, 12252), (1602, 10210), (1780, 9189), (2042, 8010), (2670, 6126), (3063, 5340), (3204, 5105), (4005, 4084)]