18739852160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{1637}}^1$

素因数の和:2264

約数の個数: 128

約数和(自身を含む): 46353565440

約数和(自身を除く): 27613713280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 577, 620, 640, 992, 1154, 1240, 1637, 1984, 2308, 2480, 2885, 3274, 3968, 4616, 4960, 5770, 6548, 8185, 9232, 9920, 11540, 13096, 16370, 17887, 18464, 19840, 23080, 26192, 32740, 35774, 36928, 46160, 50747, 52384, 65480, 71548, 73856, 89435, 92320, 101494, 104768, 130960, 143096, 178870, 184640, 202988, 209536, 253735, 261920, 286192, 357740, 369280, 405976, 507470, 523840, 572384, 715480, 811952, 944549, 1014940, 1047680, 1144768, 1430960, 1623904, 1889098, 2029880, 2289536, 2861920, 3247808, 3778196, 4059760, 4722745, 5723840, 6495616, 7556392, 8119520, 9445490, 11447680, 15112784, 16239040, 18890980, 29281019, 30225568, 32478080, 37781960, 58562038, 60451136, 75563920, 117124076, 120902272, 146405095, 151127840, 234248152, 292810190, 302255680, 468496304, 585620380, 604511360, 936992608, 1171240760, 1873985216, 2342481520, 3747970432, 4684963040, 9369926080, 18739852160]

約数ペア:

[(1, 18739852160), (2, 9369926080), (4, 4684963040), (5, 3747970432), (8, 2342481520), (10, 1873985216), (16, 1171240760), (20, 936992608), (31, 604511360), (32, 585620380), (40, 468496304), (62, 302255680), (64, 292810190), (80, 234248152), (124, 151127840), (128, 146405095), (155, 120902272), (160, 117124076), (248, 75563920), (310, 60451136), (320, 58562038), (496, 37781960), (577, 32478080), (620, 30225568), (640, 29281019), (992, 18890980), (1154, 16239040), (1240, 15112784), (1637, 11447680), (1984, 9445490), (2308, 8119520), (2480, 7556392), (2885, 6495616), (3274, 5723840), (3968, 4722745), (4616, 4059760), (4960, 3778196), (5770, 3247808), (6548, 2861920), (8185, 2289536), (9232, 2029880), (9920, 1889098), (11540, 1623904), (13096, 1430960), (16370, 1144768), (17887, 1047680), (18464, 1014940), (19840, 944549), (23080, 811952), (26192, 715480), (32740, 572384), (35774, 523840), (36928, 507470), (46160, 405976), (50747, 369280), (52384, 357740), (65480, 286192), (71548, 261920), (73856, 253735), (89435, 209536), (92320, 202988), (101494, 184640), (104768, 178870), (130960, 143096)]