19945200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1511}}^1$

素因数の和:1543

約数の個数: 120

約数和(自身を含む): 69745536

約数和(自身を除く): 49800336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1511, 1650, 2200, 2640, 3022, 3300, 4400, 4533, 6044, 6600, 7555, 9066, 12088, 13200, 15110, 16621, 18132, 22665, 24176, 30220, 33242, 36264, 37775, 45330, 49863, 60440, 66484, 72528, 75550, 83105, 90660, 99726, 113325, 120880, 132968, 151100, 166210, 181320, 199452, 226650, 249315, 265936, 302200, 332420, 362640, 398904, 415525, 453300, 498630, 604400, 664840, 797808, 831050, 906600, 997260, 1246575, 1329680, 1662100, 1813200, 1994520, 2493150, 3324200, 3989040, 4986300, 6648400, 9972600, 19945200]

約数ペア:

[(1, 19945200), (2, 9972600), (3, 6648400), (4, 4986300), (5, 3989040), (6, 3324200), (8, 2493150), (10, 1994520), (11, 1813200), (12, 1662100), (15, 1329680), (16, 1246575), (20, 997260), (22, 906600), (24, 831050), (25, 797808), (30, 664840), (33, 604400), (40, 498630), (44, 453300), (48, 415525), (50, 398904), (55, 362640), (60, 332420), (66, 302200), (75, 265936), (80, 249315), (88, 226650), (100, 199452), (110, 181320), (120, 166210), (132, 151100), (150, 132968), (165, 120880), (176, 113325), (200, 99726), (220, 90660), (240, 83105), (264, 75550), (275, 72528), (300, 66484), (330, 60440), (400, 49863), (440, 45330), (528, 37775), (550, 36264), (600, 33242), (660, 30220), (825, 24176), (880, 22665), (1100, 18132), (1200, 16621), (1320, 15110), (1511, 13200), (1650, 12088), (2200, 9066), (2640, 7555), (3022, 6600), (3300, 6044), (4400, 4533)]