72031960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 222354720

約数和(自身を除く): 150322760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 130, 140, 143, 154, 182, 196, 220, 245, 257, 260, 280, 286, 308, 364, 385, 392, 440, 455, 490, 514, 520, 539, 572, 616, 637, 715, 728, 770, 910, 980, 1001, 1028, 1078, 1144, 1274, 1285, 1430, 1540, 1799, 1820, 1960, 2002, 2056, 2156, 2548, 2570, 2695, 2827, 2860, 3080, 3185, 3341, 3598, 3640, 4004, 4312, 5005, 5096, 5140, 5390, 5654, 5720, 6370, 6682, 7007, 7196, 8008, 8995, 10010, 10280, 10780, 11308, 12593, 12740, 13364, 14014, 14135, 14392, 16705, 17990, 19789, 20020, 21560, 22616, 23387, 25186, 25480, 26728, 28028, 28270, 33410, 35035, 35980, 36751, 39578, 40040, 46774, 50372, 56056, 56540, 62965, 66820, 70070, 71960, 73502, 79156, 93548, 98945, 100744, 113080, 116935, 125930, 133640, 138523, 140140, 147004, 158312, 163709, 183755, 187096, 197890, 233870, 251860, 257257, 277046, 280280, 294008, 327418, 367510, 395780, 467740, 503720, 514514, 554092, 654836, 692615, 735020, 791560, 818545, 935480, 1029028, 1108184, 1286285, 1309672, 1385230, 1470040, 1637090, 1800799, 2058056, 2572570, 2770460, 3274180, 3601598, 5145140, 5540920, 6548360, 7203196, 9003995, 10290280, 14406392, 18007990, 36015980, 72031960]

約数ペア:

[(1, 72031960), (2, 36015980), (4, 18007990), (5, 14406392), (7, 10290280), (8, 9003995), (10, 7203196), (11, 6548360), (13, 5540920), (14, 5145140), (20, 3601598), (22, 3274180), (26, 2770460), (28, 2572570), (35, 2058056), (40, 1800799), (44, 1637090), (49, 1470040), (52, 1385230), (55, 1309672), (56, 1286285), (65, 1108184), (70, 1029028), (77, 935480), (88, 818545), (91, 791560), (98, 735020), (104, 692615), (110, 654836), (130, 554092), (140, 514514), (143, 503720), (154, 467740), (182, 395780), (196, 367510), (220, 327418), (245, 294008), (257, 280280), (260, 277046), (280, 257257), (286, 251860), (308, 233870), (364, 197890), (385, 187096), (392, 183755), (440, 163709), (455, 158312), (490, 147004), (514, 140140), (520, 138523), (539, 133640), (572, 125930), (616, 116935), (637, 113080), (715, 100744), (728, 98945), (770, 93548), (910, 79156), (980, 73502), (1001, 71960), (1028, 70070), (1078, 66820), (1144, 62965), (1274, 56540), (1285, 56056), (1430, 50372), (1540, 46774), (1799, 40040), (1820, 39578), (1960, 36751), (2002, 35980), (2056, 35035), (2156, 33410), (2548, 28270), (2570, 28028), (2695, 26728), (2827, 25480), (2860, 25186), (3080, 23387), (3185, 22616), (3341, 21560), (3598, 20020), (3640, 19789), (4004, 17990), (4312, 16705), (5005, 14392), (5096, 14135), (5140, 14014), (5390, 13364), (5654, 12740), (5720, 12593), (6370, 11308), (6682, 10780), (7007, 10280), (7196, 10010), (8008, 8995)]