290844840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1052

約数の個数: 256

約数和(自身を含む): 1086462720

約数和(自身を除く): 795617880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 88, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 264, 286, 312, 330, 340, 374, 390, 408, 429, 440, 442, 510, 520, 561, 572, 660, 663, 680, 715, 748, 780, 858, 884, 935, 997, 1020, 1105, 1122, 1144, 1320, 1326, 1430, 1496, 1560, 1716, 1768, 1870, 1994, 2040, 2145, 2210, 2244, 2431, 2652, 2805, 2860, 2991, 3315, 3432, 3740, 3988, 4290, 4420, 4488, 4862, 4985, 5304, 5610, 5720, 5982, 6630, 7293, 7480, 7976, 8580, 8840, 9724, 9970, 10967, 11220, 11964, 12155, 12961, 13260, 14586, 14955, 16949, 17160, 19448, 19940, 21934, 22440, 23928, 24310, 25922, 26520, 29172, 29910, 32901, 33898, 36465, 38883, 39880, 43868, 48620, 50847, 51844, 54835, 58344, 59820, 64805, 65802, 67796, 72930, 77766, 84745, 87736, 97240, 101694, 103688, 109670, 119640, 129610, 131604, 135592, 142571, 145860, 155532, 164505, 169490, 186439, 194415, 203388, 219340, 220337, 254235, 259220, 263208, 285142, 291720, 311064, 329010, 338980, 372878, 388830, 406776, 427713, 438680, 440674, 508470, 518440, 559317, 570284, 658020, 661011, 677960, 712855, 745756, 777660, 855426, 881348, 932195, 1016940, 1101685, 1118634, 1140568, 1316040, 1322022, 1425710, 1491512, 1555320, 1710852, 1762696, 1864390, 2033880, 2138565, 2203370, 2237268, 2423707, 2644044, 2796585, 2851420, 3305055, 3421704, 3728780, 4277130, 4406740, 4474536, 4847414, 5288088, 5593170, 5702840, 6610110, 7271121, 7457560, 8554260, 8813480, 9694828, 11186340, 12118535, 13220220, 14542242, 17108520, 19389656, 22372680, 24237070, 26440440, 29084484, 36355605, 48474140, 58168968, 72711210, 96948280, 145422420, 290844840]

約数ペア:

[(1, 290844840), (2, 145422420), (3, 96948280), (4, 72711210), (5, 58168968), (6, 48474140), (8, 36355605), (10, 29084484), (11, 26440440), (12, 24237070), (13, 22372680), (15, 19389656), (17, 17108520), (20, 14542242), (22, 13220220), (24, 12118535), (26, 11186340), (30, 9694828), (33, 8813480), (34, 8554260), (39, 7457560), (40, 7271121), (44, 6610110), (51, 5702840), (52, 5593170), (55, 5288088), (60, 4847414), (65, 4474536), (66, 4406740), (68, 4277130), (78, 3728780), (85, 3421704), (88, 3305055), (102, 2851420), (104, 2796585), (110, 2644044), (120, 2423707), (130, 2237268), (132, 2203370), (136, 2138565), (143, 2033880), (156, 1864390), (165, 1762696), (170, 1710852), (187, 1555320), (195, 1491512), (204, 1425710), (220, 1322022), (221, 1316040), (255, 1140568), (260, 1118634), (264, 1101685), (286, 1016940), (312, 932195), (330, 881348), (340, 855426), (374, 777660), (390, 745756), (408, 712855), (429, 677960), (440, 661011), (442, 658020), (510, 570284), (520, 559317), (561, 518440), (572, 508470), (660, 440674), (663, 438680), (680, 427713), (715, 406776), (748, 388830), (780, 372878), (858, 338980), (884, 329010), (935, 311064), (997, 291720), (1020, 285142), (1105, 263208), (1122, 259220), (1144, 254235), (1320, 220337), (1326, 219340), (1430, 203388), (1496, 194415), (1560, 186439), (1716, 169490), (1768, 164505), (1870, 155532), (1994, 145860), (2040, 142571), (2145, 135592), (2210, 131604), (2244, 129610), (2431, 119640), (2652, 109670), (2805, 103688), (2860, 101694), (2991, 97240), (3315, 87736), (3432, 84745), (3740, 77766), (3988, 72930), (4290, 67796), (4420, 65802), (4488, 64805), (4862, 59820), (4985, 58344), (5304, 54835), (5610, 51844), (5720, 50847), (5982, 48620), (6630, 43868), (7293, 39880), (7480, 38883), (7976, 36465), (8580, 33898), (8840, 32901), (9724, 29910), (9970, 29172), (10967, 26520), (11220, 25922), (11964, 24310), (12155, 23928), (12961, 22440), (13260, 21934), (14586, 19940), (14955, 19448), (16949, 17160)]