61554680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 164160000

約数和(自身を除く): 102605320

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 185, 190, 199, 209, 220, 296, 370, 380, 398, 407, 418, 440, 703, 740, 760, 796, 814, 836, 995, 1045, 1406, 1480, 1592, 1628, 1672, 1990, 2035, 2090, 2189, 2812, 3256, 3515, 3781, 3980, 4070, 4180, 4378, 5624, 7030, 7363, 7562, 7733, 7960, 8140, 8360, 8756, 10945, 14060, 14726, 15124, 15466, 16280, 17512, 18905, 21890, 28120, 29452, 30248, 30932, 36815, 37810, 38665, 41591, 43780, 58904, 61864, 73630, 75620, 77330, 80993, 83182, 87560, 139897, 147260, 151240, 154660, 161986, 166364, 207955, 279794, 294520, 309320, 323972, 332728, 404965, 415910, 559588, 647944, 699485, 809930, 831820, 1119176, 1398970, 1538867, 1619860, 1663640, 2797940, 3077734, 3239720, 5595880, 6155468, 7694335, 12310936, 15388670, 30777340, 61554680]

約数ペア:

[(1, 61554680), (2, 30777340), (4, 15388670), (5, 12310936), (8, 7694335), (10, 6155468), (11, 5595880), (19, 3239720), (20, 3077734), (22, 2797940), (37, 1663640), (38, 1619860), (40, 1538867), (44, 1398970), (55, 1119176), (74, 831820), (76, 809930), (88, 699485), (95, 647944), (110, 559588), (148, 415910), (152, 404965), (185, 332728), (190, 323972), (199, 309320), (209, 294520), (220, 279794), (296, 207955), (370, 166364), (380, 161986), (398, 154660), (407, 151240), (418, 147260), (440, 139897), (703, 87560), (740, 83182), (760, 80993), (796, 77330), (814, 75620), (836, 73630), (995, 61864), (1045, 58904), (1406, 43780), (1480, 41591), (1592, 38665), (1628, 37810), (1672, 36815), (1990, 30932), (2035, 30248), (2090, 29452), (2189, 28120), (2812, 21890), (3256, 18905), (3515, 17512), (3781, 16280), (3980, 15466), (4070, 15124), (4180, 14726), (4378, 14060), (5624, 10945), (7030, 8756), (7363, 8360), (7562, 8140), (7733, 7960)]