20347681680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9420223}}^1$

素因数の和:9420245

約数の個数: 80

約数和(自身を含む): 70086466560

約数和(自身を除く): 49738784880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9420223, 18840446, 28260669, 37680892, 47101115, 56521338, 75361784, 84782007, 94202230, 113042676, 141303345, 150723568, 169564014, 188404460, 226085352, 254346021, 282606690, 339128028, 376808920, 423910035, 452170704, 508692042, 565213380, 678256056, 753617840, 847820070, 1017384084, 1130426760, 1271730105, 1356512112, 1695640140, 2034768168, 2260853520, 2543460210, 3391280280, 4069536336, 5086920420, 6782560560, 10173840840, 20347681680]

約数ペア:

[(1, 20347681680), (2, 10173840840), (3, 6782560560), (4, 5086920420), (5, 4069536336), (6, 3391280280), (8, 2543460210), (9, 2260853520), (10, 2034768168), (12, 1695640140), (15, 1356512112), (16, 1271730105), (18, 1130426760), (20, 1017384084), (24, 847820070), (27, 753617840), (30, 678256056), (36, 565213380), (40, 508692042), (45, 452170704), (48, 423910035), (54, 376808920), (60, 339128028), (72, 282606690), (80, 254346021), (90, 226085352), (108, 188404460), (120, 169564014), (135, 150723568), (144, 141303345), (180, 113042676), (216, 94202230), (240, 84782007), (270, 75361784), (360, 56521338), (432, 47101115), (540, 37680892), (720, 28260669), (1080, 18840446), (2160, 9420223)]