215561520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4339}}^1$

素因数の和:4384

約数の個数: 160

約数和(自身を含む): 774950400

約数和(自身を除く): 559388880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3312, 4140, 4339, 4968, 5520, 6210, 8280, 8678, 9936, 12420, 13017, 16560, 17356, 21695, 24840, 26034, 34712, 39051, 43390, 49680, 52068, 65085, 69424, 78102, 86780, 99797, 104136, 117153, 130170, 156204, 173560, 195255, 199594, 208272, 234306, 260340, 299391, 312408, 347120, 390510, 399188, 468612, 498985, 520680, 585765, 598782, 624816, 781020, 798376, 898173, 937224, 997970, 1041360, 1171530, 1197564, 1496955, 1562040, 1596752, 1796346, 1874448, 1995940, 2343060, 2395128, 2694519, 2993910, 3124080, 3592692, 3991880, 4490865, 4686120, 4790256, 5389038, 5987820, 7185384, 7983760, 8981730, 9372240, 10778076, 11975640, 13472595, 14370768, 17963460, 21556152, 23951280, 26945190, 35926920, 43112304, 53890380, 71853840, 107780760, 215561520]

約数ペア:

[(1, 215561520), (2, 107780760), (3, 71853840), (4, 53890380), (5, 43112304), (6, 35926920), (8, 26945190), (9, 23951280), (10, 21556152), (12, 17963460), (15, 14370768), (16, 13472595), (18, 11975640), (20, 10778076), (23, 9372240), (24, 8981730), (27, 7983760), (30, 7185384), (36, 5987820), (40, 5389038), (45, 4790256), (46, 4686120), (48, 4490865), (54, 3991880), (60, 3592692), (69, 3124080), (72, 2993910), (80, 2694519), (90, 2395128), (92, 2343060), (108, 1995940), (115, 1874448), (120, 1796346), (135, 1596752), (138, 1562040), (144, 1496955), (180, 1197564), (184, 1171530), (207, 1041360), (216, 997970), (230, 937224), (240, 898173), (270, 798376), (276, 781020), (345, 624816), (360, 598782), (368, 585765), (414, 520680), (432, 498985), (460, 468612), (540, 399188), (552, 390510), (621, 347120), (690, 312408), (720, 299391), (828, 260340), (920, 234306), (1035, 208272), (1080, 199594), (1104, 195255), (1242, 173560), (1380, 156204), (1656, 130170), (1840, 117153), (2070, 104136), (2160, 99797), (2484, 86780), (2760, 78102), (3105, 69424), (3312, 65085), (4140, 52068), (4339, 49680), (4968, 43390), (5520, 39051), (6210, 34712), (8280, 26034), (8678, 24840), (9936, 21695), (12420, 17356), (13017, 16560)]