8181810

素因数分解:

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

素因数の和:79

約数の個数: 192

約数和(自身を含む): 27885312

約数和(自身を除く): 19703502

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 37, 39, 42, 45, 54, 63, 65, 70, 74, 78, 81, 90, 91, 105, 111, 117, 126, 130, 135, 162, 182, 185, 189, 195, 210, 222, 234, 243, 259, 270, 273, 315, 333, 351, 370, 378, 390, 405, 455, 481, 486, 518, 546, 555, 567, 585, 630, 666, 702, 777, 810, 819, 910, 945, 962, 999, 1053, 1110, 1134, 1170, 1215, 1295, 1365, 1443, 1554, 1638, 1665, 1701, 1755, 1890, 1998, 2106, 2331, 2405, 2430, 2457, 2590, 2730, 2835, 2886, 2997, 3159, 3330, 3367, 3402, 3510, 3885, 4095, 4329, 4662, 4810, 4914, 4995, 5265, 5670, 5994, 6318, 6734, 6993, 7215, 7371, 7770, 8190, 8505, 8658, 8991, 9990, 10101, 10530, 11655, 12285, 12987, 13986, 14430, 14742, 14985, 15795, 16835, 17010, 17982, 20202, 20979, 21645, 22113, 23310, 24570, 25974, 29970, 30303, 31590, 33670, 34965, 36855, 38961, 41958, 43290, 44226, 44955, 50505, 60606, 62937, 64935, 69930, 73710, 77922, 89910, 90909, 101010, 104895, 110565, 116883, 125874, 129870, 151515, 181818, 194805, 209790, 221130, 233766, 272727, 303030, 314685, 389610, 454545, 545454, 584415, 629370, 818181, 909090, 1168830, 1363635, 1636362, 2727270, 4090905, 8181810]

約数ペア:

[(1, 8181810), (2, 4090905), (3, 2727270), (5, 1636362), (6, 1363635), (7, 1168830), (9, 909090), (10, 818181), (13, 629370), (14, 584415), (15, 545454), (18, 454545), (21, 389610), (26, 314685), (27, 303030), (30, 272727), (35, 233766), (37, 221130), (39, 209790), (42, 194805), (45, 181818), (54, 151515), (63, 129870), (65, 125874), (70, 116883), (74, 110565), (78, 104895), (81, 101010), (90, 90909), (91, 89910), (105, 77922), (111, 73710), (117, 69930), (126, 64935), (130, 62937), (135, 60606), (162, 50505), (182, 44955), (185, 44226), (189, 43290), (195, 41958), (210, 38961), (222, 36855), (234, 34965), (243, 33670), (259, 31590), (270, 30303), (273, 29970), (315, 25974), (333, 24570), (351, 23310), (370, 22113), (378, 21645), (390, 20979), (405, 20202), (455, 17982), (481, 17010), (486, 16835), (518, 15795), (546, 14985), (555, 14742), (567, 14430), (585, 13986), (630, 12987), (666, 12285), (702, 11655), (777, 10530), (810, 10101), (819, 9990), (910, 8991), (945, 8658), (962, 8505), (999, 8190), (1053, 7770), (1110, 7371), (1134, 7215), (1170, 6993), (1215, 6734), (1295, 6318), (1365, 5994), (1443, 5670), (1554, 5265), (1638, 4995), (1665, 4914), (1701, 4810), (1755, 4662), (1890, 4329), (1998, 4095), (2106, 3885), (2331, 3510), (2405, 3402), (2430, 3367), (2457, 3330), (2590, 3159), (2730, 2997), (2835, 2886)]