256732080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3137}}^1$

素因数の和:3195

約数の個数: 160

約数和(自身を含む): 896514048

約数和(自身を除く): 639781968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 2046, 2480, 2640, 2728, 3137, 3410, 3720, 4092, 5115, 5456, 6274, 6820, 7440, 8184, 9411, 10230, 12548, 13640, 15685, 16368, 18822, 20460, 25096, 27280, 31370, 34507, 37644, 40920, 47055, 50192, 62740, 69014, 75288, 81840, 94110, 97247, 103521, 125480, 138028, 150576, 172535, 188220, 194494, 207042, 250960, 276056, 291741, 345070, 376440, 388988, 414084, 486235, 517605, 552112, 583482, 690140, 752880, 777976, 828168, 972470, 1035210, 1069717, 1166964, 1380280, 1458705, 1555952, 1656336, 1944940, 2070420, 2139434, 2333928, 2760560, 2917410, 3209151, 3889880, 4140840, 4278868, 4667856, 5348585, 5834820, 6418302, 7779760, 8281680, 8557736, 10697170, 11669640, 12836604, 16045755, 17115472, 21394340, 23339280, 25673208, 32091510, 42788680, 51346416, 64183020, 85577360, 128366040, 256732080]

約数ペア:

[(1, 256732080), (2, 128366040), (3, 85577360), (4, 64183020), (5, 51346416), (6, 42788680), (8, 32091510), (10, 25673208), (11, 23339280), (12, 21394340), (15, 17115472), (16, 16045755), (20, 12836604), (22, 11669640), (24, 10697170), (30, 8557736), (31, 8281680), (33, 7779760), (40, 6418302), (44, 5834820), (48, 5348585), (55, 4667856), (60, 4278868), (62, 4140840), (66, 3889880), (80, 3209151), (88, 2917410), (93, 2760560), (110, 2333928), (120, 2139434), (124, 2070420), (132, 1944940), (155, 1656336), (165, 1555952), (176, 1458705), (186, 1380280), (220, 1166964), (240, 1069717), (248, 1035210), (264, 972470), (310, 828168), (330, 777976), (341, 752880), (372, 690140), (440, 583482), (465, 552112), (496, 517605), (528, 486235), (620, 414084), (660, 388988), (682, 376440), (744, 345070), (880, 291741), (930, 276056), (1023, 250960), (1240, 207042), (1320, 194494), (1364, 188220), (1488, 172535), (1705, 150576), (1860, 138028), (2046, 125480), (2480, 103521), (2640, 97247), (2728, 94110), (3137, 81840), (3410, 75288), (3720, 69014), (4092, 62740), (5115, 50192), (5456, 47055), (6274, 40920), (6820, 37644), (7440, 34507), (8184, 31370), (9411, 27280), (10230, 25096), (12548, 20460), (13640, 18822), (15685, 16368)]