69949980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 226568160

約数和(自身を除く): 156618180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 270, 324, 333, 370, 389, 405, 444, 486, 540, 555, 666, 740, 778, 810, 972, 999, 1110, 1167, 1215, 1332, 1556, 1620, 1665, 1945, 1998, 2220, 2334, 2430, 2997, 3330, 3501, 3890, 3996, 4668, 4860, 4995, 5835, 5994, 6660, 7002, 7780, 8991, 9990, 10503, 11670, 11988, 14004, 14393, 14985, 17505, 17982, 19980, 21006, 23340, 28786, 29970, 31509, 35010, 35964, 42012, 43179, 44955, 52515, 57572, 59940, 63018, 70020, 71965, 86358, 89910, 94527, 105030, 126036, 129537, 143930, 157545, 172716, 179820, 189054, 210060, 215895, 259074, 287860, 315090, 378108, 388611, 431790, 472635, 518148, 630180, 647685, 777222, 863580, 945270, 1165833, 1295370, 1554444, 1890540, 1943055, 2331666, 2590740, 3497499, 3886110, 4663332, 5829165, 6994998, 7772220, 11658330, 13989996, 17487495, 23316660, 34974990, 69949980]

約数ペア:

[(1, 69949980), (2, 34974990), (3, 23316660), (4, 17487495), (5, 13989996), (6, 11658330), (9, 7772220), (10, 6994998), (12, 5829165), (15, 4663332), (18, 3886110), (20, 3497499), (27, 2590740), (30, 2331666), (36, 1943055), (37, 1890540), (45, 1554444), (54, 1295370), (60, 1165833), (74, 945270), (81, 863580), (90, 777222), (108, 647685), (111, 630180), (135, 518148), (148, 472635), (162, 431790), (180, 388611), (185, 378108), (222, 315090), (243, 287860), (270, 259074), (324, 215895), (333, 210060), (370, 189054), (389, 179820), (405, 172716), (444, 157545), (486, 143930), (540, 129537), (555, 126036), (666, 105030), (740, 94527), (778, 89910), (810, 86358), (972, 71965), (999, 70020), (1110, 63018), (1167, 59940), (1215, 57572), (1332, 52515), (1556, 44955), (1620, 43179), (1665, 42012), (1945, 35964), (1998, 35010), (2220, 31509), (2334, 29970), (2430, 28786), (2997, 23340), (3330, 21006), (3501, 19980), (3890, 17982), (3996, 17505), (4668, 14985), (4860, 14393), (4995, 14004), (5835, 11988), (5994, 11670), (6660, 10503), (7002, 9990), (7780, 8991)]