71563880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 115060120

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 116, 136, 145, 152, 170, 190, 191, 232, 290, 323, 340, 380, 382, 493, 551, 580, 646, 680, 760, 764, 955, 986, 1102, 1160, 1292, 1528, 1615, 1910, 1972, 2204, 2465, 2584, 2755, 3230, 3247, 3629, 3820, 3944, 4408, 4930, 5510, 5539, 6460, 6494, 7258, 7640, 9367, 9860, 11020, 11078, 12920, 12988, 14516, 16235, 18145, 18734, 19720, 22040, 22156, 25976, 27695, 29032, 32470, 36290, 37468, 44312, 46835, 55390, 61693, 64940, 72580, 74936, 93670, 94163, 105241, 110780, 123386, 129880, 145160, 187340, 188326, 210482, 221560, 246772, 308465, 374680, 376652, 420964, 470815, 493544, 526205, 616930, 753304, 841928, 941630, 1052410, 1233860, 1789097, 1883260, 2104820, 2467720, 3578194, 3766520, 4209640, 7156388, 8945485, 14312776, 17890970, 35781940, 71563880]

約数ペア:

[(1, 71563880), (2, 35781940), (4, 17890970), (5, 14312776), (8, 8945485), (10, 7156388), (17, 4209640), (19, 3766520), (20, 3578194), (29, 2467720), (34, 2104820), (38, 1883260), (40, 1789097), (58, 1233860), (68, 1052410), (76, 941630), (85, 841928), (95, 753304), (116, 616930), (136, 526205), (145, 493544), (152, 470815), (170, 420964), (190, 376652), (191, 374680), (232, 308465), (290, 246772), (323, 221560), (340, 210482), (380, 188326), (382, 187340), (493, 145160), (551, 129880), (580, 123386), (646, 110780), (680, 105241), (760, 94163), (764, 93670), (955, 74936), (986, 72580), (1102, 64940), (1160, 61693), (1292, 55390), (1528, 46835), (1615, 44312), (1910, 37468), (1972, 36290), (2204, 32470), (2465, 29032), (2584, 27695), (2755, 25976), (3230, 22156), (3247, 22040), (3629, 19720), (3820, 18734), (3944, 18145), (4408, 16235), (4930, 14516), (5510, 12988), (5539, 12920), (6460, 11078), (6494, 11020), (7258, 9860), (7640, 9367)]