9999990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 256

約数和(自身を含む): 36771840

約数和(自身を除く): 26771850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 27, 30, 33, 35, 37, 39, 42, 45, 54, 55, 63, 65, 66, 70, 74, 77, 78, 90, 91, 99, 105, 110, 111, 117, 126, 130, 135, 143, 154, 165, 182, 185, 189, 195, 198, 210, 222, 231, 234, 259, 270, 273, 286, 297, 315, 330, 333, 351, 370, 378, 385, 390, 407, 429, 455, 462, 481, 495, 518, 546, 555, 585, 594, 630, 666, 693, 702, 715, 770, 777, 814, 819, 858, 910, 945, 962, 990, 999, 1001, 1110, 1155, 1170, 1221, 1287, 1295, 1365, 1386, 1430, 1443, 1485, 1554, 1638, 1665, 1755, 1890, 1998, 2002, 2035, 2079, 2145, 2310, 2331, 2405, 2442, 2457, 2574, 2590, 2730, 2849, 2886, 2970, 3003, 3330, 3367, 3465, 3510, 3663, 3861, 3885, 4070, 4095, 4158, 4290, 4329, 4662, 4810, 4914, 4995, 5005, 5291, 5698, 6006, 6105, 6435, 6734, 6930, 6993, 7215, 7326, 7722, 7770, 8190, 8547, 8658, 9009, 9990, 10010, 10101, 10395, 10582, 10989, 11655, 12210, 12285, 12870, 12987, 13986, 14245, 14430, 15015, 15873, 16835, 17094, 18018, 18315, 19305, 20202, 20790, 21645, 21978, 23310, 24570, 25641, 25974, 26455, 27027, 28490, 30030, 30303, 31746, 33670, 34965, 36630, 37037, 38610, 42735, 43290, 45045, 47619, 50505, 51282, 52910, 54054, 54945, 60606, 64935, 69930, 74074, 76923, 79365, 85470, 90090, 90909, 95238, 101010, 109890, 111111, 128205, 129870, 135135, 142857, 151515, 153846, 158730, 181818, 185185, 222222, 238095, 256410, 270270, 285714, 303030, 333333, 370370, 384615, 454545, 476190, 555555, 666666, 714285, 769230, 909090, 999999, 1111110, 1428570, 1666665, 1999998, 3333330, 4999995, 9999990]

約数ペア:

[(1, 9999990), (2, 4999995), (3, 3333330), (5, 1999998), (6, 1666665), (7, 1428570), (9, 1111110), (10, 999999), (11, 909090), (13, 769230), (14, 714285), (15, 666666), (18, 555555), (21, 476190), (22, 454545), (26, 384615), (27, 370370), (30, 333333), (33, 303030), (35, 285714), (37, 270270), (39, 256410), (42, 238095), (45, 222222), (54, 185185), (55, 181818), (63, 158730), (65, 153846), (66, 151515), (70, 142857), (74, 135135), (77, 129870), (78, 128205), (90, 111111), (91, 109890), (99, 101010), (105, 95238), (110, 90909), (111, 90090), (117, 85470), (126, 79365), (130, 76923), (135, 74074), (143, 69930), (154, 64935), (165, 60606), (182, 54945), (185, 54054), (189, 52910), (195, 51282), (198, 50505), (210, 47619), (222, 45045), (231, 43290), (234, 42735), (259, 38610), (270, 37037), (273, 36630), (286, 34965), (297, 33670), (315, 31746), (330, 30303), (333, 30030), (351, 28490), (370, 27027), (378, 26455), (385, 25974), (390, 25641), (407, 24570), (429, 23310), (455, 21978), (462, 21645), (481, 20790), (495, 20202), (518, 19305), (546, 18315), (555, 18018), (585, 17094), (594, 16835), (630, 15873), (666, 15015), (693, 14430), (702, 14245), (715, 13986), (770, 12987), (777, 12870), (814, 12285), (819, 12210), (858, 11655), (910, 10989), (945, 10582), (962, 10395), (990, 10101), (999, 10010), (1001, 9990), (1110, 9009), (1155, 8658), (1170, 8547), (1221, 8190), (1287, 7770), (1295, 7722), (1365, 7326), (1386, 7215), (1430, 6993), (1443, 6930), (1485, 6734), (1554, 6435), (1638, 6105), (1665, 6006), (1755, 5698), (1890, 5291), (1998, 5005), (2002, 4995), (2035, 4914), (2079, 4810), (2145, 4662), (2310, 4329), (2331, 4290), (2405, 4158), (2442, 4095), (2457, 4070), (2574, 3885), (2590, 3861), (2730, 3663), (2849, 3510), (2886, 3465), (2970, 3367), (3003, 3330)]