16478320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 41559840

約数和(自身を除く): 25081520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 293, 296, 304, 370, 380, 586, 592, 703, 740, 760, 1172, 1406, 1465, 1480, 1520, 2344, 2812, 2930, 2960, 3515, 4688, 5567, 5624, 5860, 7030, 10841, 11134, 11248, 11720, 14060, 21682, 22268, 23440, 27835, 28120, 43364, 44536, 54205, 55670, 56240, 86728, 89072, 108410, 111340, 173456, 205979, 216820, 222680, 411958, 433640, 445360, 823916, 867280, 1029895, 1647832, 2059790, 3295664, 4119580, 8239160, 16478320]

約数ペア:

[(1, 16478320), (2, 8239160), (4, 4119580), (5, 3295664), (8, 2059790), (10, 1647832), (16, 1029895), (19, 867280), (20, 823916), (37, 445360), (38, 433640), (40, 411958), (74, 222680), (76, 216820), (80, 205979), (95, 173456), (148, 111340), (152, 108410), (185, 89072), (190, 86728), (293, 56240), (296, 55670), (304, 54205), (370, 44536), (380, 43364), (586, 28120), (592, 27835), (703, 23440), (740, 22268), (760, 21682), (1172, 14060), (1406, 11720), (1465, 11248), (1480, 11134), (1520, 10841), (2344, 7030), (2812, 5860), (2930, 5624), (2960, 5567), (3515, 4688)]