21795600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 71682912

約数和(自身を除く): 49887312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 41, 48, 50, 60, 75, 80, 82, 100, 120, 123, 150, 164, 200, 205, 240, 246, 300, 328, 400, 410, 443, 492, 600, 615, 656, 820, 886, 984, 1025, 1200, 1230, 1329, 1640, 1772, 1968, 2050, 2215, 2460, 2658, 3075, 3280, 3544, 4100, 4430, 4920, 5316, 6150, 6645, 7088, 8200, 8860, 9840, 10632, 11075, 12300, 13290, 16400, 17720, 18163, 21264, 22150, 24600, 26580, 33225, 35440, 36326, 44300, 49200, 53160, 54489, 66450, 72652, 88600, 90815, 106320, 108978, 132900, 145304, 177200, 181630, 217956, 265800, 272445, 290608, 363260, 435912, 454075, 531600, 544890, 726520, 871824, 908150, 1089780, 1362225, 1453040, 1816300, 2179560, 2724450, 3632600, 4359120, 5448900, 7265200, 10897800, 21795600]

約数ペア:

[(1, 21795600), (2, 10897800), (3, 7265200), (4, 5448900), (5, 4359120), (6, 3632600), (8, 2724450), (10, 2179560), (12, 1816300), (15, 1453040), (16, 1362225), (20, 1089780), (24, 908150), (25, 871824), (30, 726520), (40, 544890), (41, 531600), (48, 454075), (50, 435912), (60, 363260), (75, 290608), (80, 272445), (82, 265800), (100, 217956), (120, 181630), (123, 177200), (150, 145304), (164, 132900), (200, 108978), (205, 106320), (240, 90815), (246, 88600), (300, 72652), (328, 66450), (400, 54489), (410, 53160), (443, 49200), (492, 44300), (600, 36326), (615, 35440), (656, 33225), (820, 26580), (886, 24600), (984, 22150), (1025, 21264), (1200, 18163), (1230, 17720), (1329, 16400), (1640, 13290), (1772, 12300), (1968, 11075), (2050, 10632), (2215, 9840), (2460, 8860), (2658, 8200), (3075, 7088), (3280, 6645), (3544, 6150), (4100, 5316), (4430, 4920)]