201708090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 563178240

約数和(自身を除く): 361470150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 61, 74, 90, 111, 122, 135, 183, 185, 222, 270, 305, 331, 333, 366, 370, 549, 555, 610, 662, 666, 915, 993, 999, 1098, 1110, 1647, 1655, 1665, 1830, 1986, 1998, 2257, 2745, 2979, 3294, 3310, 3330, 4514, 4965, 4995, 5490, 5958, 6771, 8235, 8937, 9930, 9990, 11285, 12247, 13542, 14895, 16470, 17874, 20191, 20313, 22570, 24494, 29790, 33855, 36741, 40382, 40626, 44685, 60573, 60939, 61235, 67710, 73482, 89370, 100955, 101565, 110223, 121146, 121878, 122470, 181719, 183705, 201910, 203130, 220446, 302865, 304695, 330669, 363438, 367410, 545157, 551115, 605730, 609390, 661338, 747067, 908595, 1090314, 1102230, 1494134, 1653345, 1817190, 2241201, 2725785, 3306690, 3735335, 4482402, 5451570, 6723603, 7470670, 11206005, 13447206, 20170809, 22412010, 33618015, 40341618, 67236030, 100854045, 201708090]

約数ペア:

[(1, 201708090), (2, 100854045), (3, 67236030), (5, 40341618), (6, 33618015), (9, 22412010), (10, 20170809), (15, 13447206), (18, 11206005), (27, 7470670), (30, 6723603), (37, 5451570), (45, 4482402), (54, 3735335), (61, 3306690), (74, 2725785), (90, 2241201), (111, 1817190), (122, 1653345), (135, 1494134), (183, 1102230), (185, 1090314), (222, 908595), (270, 747067), (305, 661338), (331, 609390), (333, 605730), (366, 551115), (370, 545157), (549, 367410), (555, 363438), (610, 330669), (662, 304695), (666, 302865), (915, 220446), (993, 203130), (999, 201910), (1098, 183705), (1110, 181719), (1647, 122470), (1655, 121878), (1665, 121146), (1830, 110223), (1986, 101565), (1998, 100955), (2257, 89370), (2745, 73482), (2979, 67710), (3294, 61235), (3310, 60939), (3330, 60573), (4514, 44685), (4965, 40626), (4995, 40382), (5490, 36741), (5958, 33855), (6771, 29790), (8235, 24494), (8937, 22570), (9930, 20313), (9990, 20191), (11285, 17874), (12247, 16470), (13542, 14895)]