28349520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6217}}^1$

素因数の和:6252

約数の個数: 80

約数和(自身を含む): 92523840

約数和(自身を除く): 64174320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 6217, 12434, 18651, 24868, 31085, 37302, 49736, 62170, 74604, 93255, 99472, 118123, 124340, 149208, 186510, 236246, 248680, 298416, 354369, 373020, 472492, 497360, 590615, 708738, 746040, 944984, 1181230, 1417476, 1492080, 1771845, 1889968, 2362460, 2834952, 3543690, 4724920, 5669904, 7087380, 9449840, 14174760, 28349520]

約数ペア:

[(1, 28349520), (2, 14174760), (3, 9449840), (4, 7087380), (5, 5669904), (6, 4724920), (8, 3543690), (10, 2834952), (12, 2362460), (15, 1889968), (16, 1771845), (19, 1492080), (20, 1417476), (24, 1181230), (30, 944984), (38, 746040), (40, 708738), (48, 590615), (57, 497360), (60, 472492), (76, 373020), (80, 354369), (95, 298416), (114, 248680), (120, 236246), (152, 186510), (190, 149208), (228, 124340), (240, 118123), (285, 99472), (304, 93255), (380, 74604), (456, 62170), (570, 49736), (760, 37302), (912, 31085), (1140, 24868), (1520, 18651), (2280, 12434), (4560, 6217)]