256080480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:733

約数の個数: 192

約数和(自身を含む): 870186240

約数和(自身を除く): 614105760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 96, 114, 120, 129, 152, 160, 172, 190, 215, 228, 240, 258, 285, 304, 344, 380, 430, 456, 480, 516, 570, 608, 645, 653, 688, 760, 817, 860, 912, 1032, 1140, 1290, 1306, 1376, 1520, 1634, 1720, 1824, 1959, 2064, 2280, 2451, 2580, 2612, 3040, 3265, 3268, 3440, 3918, 4085, 4128, 4560, 4902, 5160, 5224, 6530, 6536, 6880, 7836, 8170, 9120, 9795, 9804, 10320, 10448, 12255, 12407, 13060, 13072, 15672, 16340, 19590, 19608, 20640, 20896, 24510, 24814, 26120, 26144, 28079, 31344, 32680, 37221, 39180, 39216, 49020, 49628, 52240, 56158, 62035, 62688, 65360, 74442, 78360, 78432, 84237, 98040, 99256, 104480, 112316, 124070, 130720, 140395, 148884, 156720, 168474, 186105, 196080, 198512, 224632, 248140, 280790, 297768, 313440, 336948, 372210, 392160, 397024, 421185, 449264, 496280, 533501, 561580, 595536, 673896, 744420, 842370, 898528, 992560, 1067002, 1123160, 1191072, 1347792, 1488840, 1600503, 1684740, 1985120, 2134004, 2246320, 2667505, 2695584, 2977680, 3201006, 3369480, 4268008, 4492640, 5335010, 5955360, 6402012, 6738960, 8002515, 8536016, 10670020, 12804024, 13477920, 16005030, 17072032, 21340040, 25608048, 32010060, 42680080, 51216096, 64020120, 85360160, 128040240, 256080480]

約数ペア:

[(1, 256080480), (2, 128040240), (3, 85360160), (4, 64020120), (5, 51216096), (6, 42680080), (8, 32010060), (10, 25608048), (12, 21340040), (15, 17072032), (16, 16005030), (19, 13477920), (20, 12804024), (24, 10670020), (30, 8536016), (32, 8002515), (38, 6738960), (40, 6402012), (43, 5955360), (48, 5335010), (57, 4492640), (60, 4268008), (76, 3369480), (80, 3201006), (86, 2977680), (95, 2695584), (96, 2667505), (114, 2246320), (120, 2134004), (129, 1985120), (152, 1684740), (160, 1600503), (172, 1488840), (190, 1347792), (215, 1191072), (228, 1123160), (240, 1067002), (258, 992560), (285, 898528), (304, 842370), (344, 744420), (380, 673896), (430, 595536), (456, 561580), (480, 533501), (516, 496280), (570, 449264), (608, 421185), (645, 397024), (653, 392160), (688, 372210), (760, 336948), (817, 313440), (860, 297768), (912, 280790), (1032, 248140), (1140, 224632), (1290, 198512), (1306, 196080), (1376, 186105), (1520, 168474), (1634, 156720), (1720, 148884), (1824, 140395), (1959, 130720), (2064, 124070), (2280, 112316), (2451, 104480), (2580, 99256), (2612, 98040), (3040, 84237), (3265, 78432), (3268, 78360), (3440, 74442), (3918, 65360), (4085, 62688), (4128, 62035), (4560, 56158), (4902, 52240), (5160, 49628), (5224, 49020), (6530, 39216), (6536, 39180), (6880, 37221), (7836, 32680), (8170, 31344), (9120, 28079), (9795, 26144), (9804, 26120), (10320, 24814), (10448, 24510), (12255, 20896), (12407, 20640), (13060, 19608), (13072, 19590), (15672, 16340)]