128180520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 192

約数和(自身を含む): 457002000

約数和(自身を除く): 328821480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 312, 360, 366, 390, 449, 468, 488, 520, 549, 585, 610, 732, 780, 793, 898, 915, 936, 1098, 1170, 1220, 1347, 1464, 1560, 1586, 1796, 1830, 2196, 2245, 2340, 2379, 2440, 2694, 2745, 3172, 3592, 3660, 3965, 4041, 4392, 4490, 4680, 4758, 5388, 5490, 5837, 6344, 6735, 7137, 7320, 7930, 8082, 8980, 9516, 10776, 10980, 11674, 11895, 13470, 14274, 15860, 16164, 17511, 17960, 19032, 20205, 21960, 23348, 23790, 26940, 27389, 28548, 29185, 31720, 32328, 35022, 35685, 40410, 46696, 47580, 52533, 53880, 54778, 57096, 58370, 70044, 71370, 80820, 82167, 87555, 95160, 105066, 109556, 116740, 136945, 140088, 142740, 161640, 164334, 175110, 210132, 219112, 233480, 246501, 262665, 273890, 285480, 328668, 350220, 356057, 410835, 420264, 493002, 525330, 547780, 657336, 700440, 712114, 821670, 986004, 1050660, 1068171, 1095560, 1232505, 1424228, 1643340, 1780285, 1972008, 2101320, 2136342, 2465010, 2848456, 3204513, 3286680, 3560570, 4272684, 4930020, 5340855, 6409026, 7121140, 8545368, 9860040, 10681710, 12818052, 14242280, 16022565, 21363420, 25636104, 32045130, 42726840, 64090260, 128180520]

約数ペア:

[(1, 128180520), (2, 64090260), (3, 42726840), (4, 32045130), (5, 25636104), (6, 21363420), (8, 16022565), (9, 14242280), (10, 12818052), (12, 10681710), (13, 9860040), (15, 8545368), (18, 7121140), (20, 6409026), (24, 5340855), (26, 4930020), (30, 4272684), (36, 3560570), (39, 3286680), (40, 3204513), (45, 2848456), (52, 2465010), (60, 2136342), (61, 2101320), (65, 1972008), (72, 1780285), (78, 1643340), (90, 1424228), (104, 1232505), (117, 1095560), (120, 1068171), (122, 1050660), (130, 986004), (156, 821670), (180, 712114), (183, 700440), (195, 657336), (234, 547780), (244, 525330), (260, 493002), (305, 420264), (312, 410835), (360, 356057), (366, 350220), (390, 328668), (449, 285480), (468, 273890), (488, 262665), (520, 246501), (549, 233480), (585, 219112), (610, 210132), (732, 175110), (780, 164334), (793, 161640), (898, 142740), (915, 140088), (936, 136945), (1098, 116740), (1170, 109556), (1220, 105066), (1347, 95160), (1464, 87555), (1560, 82167), (1586, 80820), (1796, 71370), (1830, 70044), (2196, 58370), (2245, 57096), (2340, 54778), (2379, 53880), (2440, 52533), (2694, 47580), (2745, 46696), (3172, 40410), (3592, 35685), (3660, 35022), (3965, 32328), (4041, 31720), (4392, 29185), (4490, 28548), (4680, 27389), (4758, 26940), (5388, 23790), (5490, 23348), (5837, 21960), (6344, 20205), (6735, 19032), (7137, 17960), (7320, 17511), (7930, 16164), (8082, 15860), (8980, 14274), (9516, 13470), (10776, 11895), (10980, 11674)]