1984118320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{15727}}^1$

素因数の和:15842

約数の個数: 80

約数和(自身を含む): 4914685440

約数和(自身を除く): 2930567120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 304, 332, 380, 415, 664, 760, 830, 1328, 1520, 1577, 1660, 3154, 3320, 6308, 6640, 7885, 12616, 15727, 15770, 25232, 31454, 31540, 62908, 63080, 78635, 125816, 126160, 157270, 251632, 298813, 314540, 597626, 629080, 1195252, 1258160, 1305341, 1494065, 2390504, 2610682, 2988130, 4781008, 5221364, 5976260, 6526705, 10442728, 11952520, 13053410, 20885456, 23905040, 24801479, 26106820, 49602958, 52213640, 99205916, 104427280, 124007395, 198411832, 248014790, 396823664, 496029580, 992059160, 1984118320]

約数ペア:

[(1, 1984118320), (2, 992059160), (4, 496029580), (5, 396823664), (8, 248014790), (10, 198411832), (16, 124007395), (19, 104427280), (20, 99205916), (38, 52213640), (40, 49602958), (76, 26106820), (80, 24801479), (83, 23905040), (95, 20885456), (152, 13053410), (166, 11952520), (190, 10442728), (304, 6526705), (332, 5976260), (380, 5221364), (415, 4781008), (664, 2988130), (760, 2610682), (830, 2390504), (1328, 1494065), (1520, 1305341), (1577, 1258160), (1660, 1195252), (3154, 629080), (3320, 597626), (6308, 314540), (6640, 298813), (7885, 251632), (12616, 157270), (15727, 126160), (15770, 125816), (25232, 78635), (31454, 63080), (31540, 62908)]