42680080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 107046720

約数和(自身を除く): 64366640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 653, 688, 760, 817, 860, 1306, 1520, 1634, 1720, 2612, 3265, 3268, 3440, 4085, 5224, 6530, 6536, 8170, 10448, 12407, 13060, 13072, 16340, 24814, 26120, 28079, 32680, 49628, 52240, 56158, 62035, 65360, 99256, 112316, 124070, 140395, 198512, 224632, 248140, 280790, 449264, 496280, 533501, 561580, 992560, 1067002, 1123160, 2134004, 2246320, 2667505, 4268008, 5335010, 8536016, 10670020, 21340040, 42680080]

約数ペア:

[(1, 42680080), (2, 21340040), (4, 10670020), (5, 8536016), (8, 5335010), (10, 4268008), (16, 2667505), (19, 2246320), (20, 2134004), (38, 1123160), (40, 1067002), (43, 992560), (76, 561580), (80, 533501), (86, 496280), (95, 449264), (152, 280790), (172, 248140), (190, 224632), (215, 198512), (304, 140395), (344, 124070), (380, 112316), (430, 99256), (653, 65360), (688, 62035), (760, 56158), (817, 52240), (860, 49628), (1306, 32680), (1520, 28079), (1634, 26120), (1720, 24814), (2612, 16340), (3265, 13072), (3268, 13060), (3440, 12407), (4085, 10448), (5224, 8170), (6530, 6536)]