85321260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 277857216

約数和(自身を除く): 192535956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 555, 557, 666, 690, 740, 828, 851, 1035, 1110, 1114, 1332, 1380, 1665, 1671, 1702, 2070, 2220, 2228, 2553, 2785, 3330, 3342, 3404, 4140, 4255, 5013, 5106, 5570, 6660, 6684, 7659, 8355, 8510, 10026, 10212, 11140, 12765, 12811, 15318, 16710, 17020, 20052, 20609, 25065, 25530, 25622, 30636, 33420, 38295, 38433, 41218, 50130, 51060, 51244, 61827, 64055, 76590, 76866, 82436, 100260, 103045, 115299, 123654, 128110, 153180, 153732, 185481, 192165, 206090, 230598, 247308, 256220, 309135, 370962, 384330, 412180, 461196, 474007, 576495, 618270, 741924, 768660, 927405, 948014, 1152990, 1236540, 1422021, 1854810, 1896028, 2305980, 2370035, 2844042, 3709620, 4266063, 4740070, 5688084, 7110105, 8532126, 9480140, 14220210, 17064252, 21330315, 28440420, 42660630, 85321260]

約数ペア:

[(1, 85321260), (2, 42660630), (3, 28440420), (4, 21330315), (5, 17064252), (6, 14220210), (9, 9480140), (10, 8532126), (12, 7110105), (15, 5688084), (18, 4740070), (20, 4266063), (23, 3709620), (30, 2844042), (36, 2370035), (37, 2305980), (45, 1896028), (46, 1854810), (60, 1422021), (69, 1236540), (74, 1152990), (90, 948014), (92, 927405), (111, 768660), (115, 741924), (138, 618270), (148, 576495), (180, 474007), (185, 461196), (207, 412180), (222, 384330), (230, 370962), (276, 309135), (333, 256220), (345, 247308), (370, 230598), (414, 206090), (444, 192165), (460, 185481), (555, 153732), (557, 153180), (666, 128110), (690, 123654), (740, 115299), (828, 103045), (851, 100260), (1035, 82436), (1110, 76866), (1114, 76590), (1332, 64055), (1380, 61827), (1665, 51244), (1671, 51060), (1702, 50130), (2070, 41218), (2220, 38433), (2228, 38295), (2553, 33420), (2785, 30636), (3330, 25622), (3342, 25530), (3404, 25065), (4140, 20609), (4255, 20052), (5013, 17020), (5106, 16710), (5570, 15318), (6660, 12811), (6684, 12765), (7659, 11140), (8355, 10212), (8510, 10026)]