204806280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 727721280

約数和(自身を除く): 522915000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 98, 105, 120, 122, 140, 147, 168, 183, 196, 210, 244, 245, 280, 294, 305, 366, 392, 420, 427, 488, 490, 571, 588, 610, 732, 735, 840, 854, 915, 980, 1142, 1176, 1220, 1281, 1464, 1470, 1708, 1713, 1830, 1960, 2135, 2284, 2440, 2562, 2855, 2940, 2989, 3416, 3426, 3660, 3997, 4270, 4568, 5124, 5710, 5880, 5978, 6405, 6852, 7320, 7994, 8540, 8565, 8967, 10248, 11420, 11956, 11991, 12810, 13704, 14945, 15988, 17080, 17130, 17934, 19985, 22840, 23912, 23982, 25620, 27979, 29890, 31976, 34260, 34831, 35868, 39970, 44835, 47964, 51240, 55958, 59780, 59955, 68520, 69662, 71736, 79940, 83937, 89670, 95928, 104493, 111916, 119560, 119910, 139324, 139895, 159880, 167874, 174155, 179340, 208986, 223832, 239820, 243817, 278648, 279790, 335748, 348310, 358680, 417972, 419685, 479640, 487634, 522465, 559580, 671496, 696620, 731451, 835944, 839370, 975268, 1044930, 1119160, 1219085, 1393240, 1462902, 1678740, 1706719, 1950536, 2089860, 2438170, 2925804, 3357480, 3413438, 3657255, 4179720, 4876340, 5120157, 5851608, 6826876, 7314510, 8533595, 9752680, 10240314, 13653752, 14629020, 17067190, 20480628, 25600785, 29258040, 34134380, 40961256, 51201570, 68268760, 102403140, 204806280]

約数ペア:

[(1, 204806280), (2, 102403140), (3, 68268760), (4, 51201570), (5, 40961256), (6, 34134380), (7, 29258040), (8, 25600785), (10, 20480628), (12, 17067190), (14, 14629020), (15, 13653752), (20, 10240314), (21, 9752680), (24, 8533595), (28, 7314510), (30, 6826876), (35, 5851608), (40, 5120157), (42, 4876340), (49, 4179720), (56, 3657255), (60, 3413438), (61, 3357480), (70, 2925804), (84, 2438170), (98, 2089860), (105, 1950536), (120, 1706719), (122, 1678740), (140, 1462902), (147, 1393240), (168, 1219085), (183, 1119160), (196, 1044930), (210, 975268), (244, 839370), (245, 835944), (280, 731451), (294, 696620), (305, 671496), (366, 559580), (392, 522465), (420, 487634), (427, 479640), (488, 419685), (490, 417972), (571, 358680), (588, 348310), (610, 335748), (732, 279790), (735, 278648), (840, 243817), (854, 239820), (915, 223832), (980, 208986), (1142, 179340), (1176, 174155), (1220, 167874), (1281, 159880), (1464, 139895), (1470, 139324), (1708, 119910), (1713, 119560), (1830, 111916), (1960, 104493), (2135, 95928), (2284, 89670), (2440, 83937), (2562, 79940), (2855, 71736), (2940, 69662), (2989, 68520), (3416, 59955), (3426, 59780), (3660, 55958), (3997, 51240), (4270, 47964), (4568, 44835), (5124, 39970), (5710, 35868), (5880, 34831), (5978, 34260), (6405, 31976), (6852, 29890), (7320, 27979), (7994, 25620), (8540, 23982), (8565, 23912), (8967, 22840), (10248, 19985), (11420, 17934), (11956, 17130), (11991, 17080), (12810, 15988), (13704, 14945)]