1611242880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64553}}^1$

素因数の和:64588

約数の個数: 128

約数和(自身を含む): 5530986720

約数和(自身を除く): 3919743840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 64553, 129106, 193659, 258212, 322765, 387318, 516424, 645530, 774636, 839189, 968295, 1032848, 1291060, 1549272, 1678378, 1936590, 2065696, 2517567, 2582120, 3098544, 3356756, 3873180, 4131392, 4195945, 5035134, 5164240, 6197088, 6713512, 7746360, 8262784, 8391890, 10070268, 10328480, 12394176, 12587835, 13427024, 15492720, 16783780, 20140536, 20656960, 24788352, 25175670, 26854048, 30985440, 33567560, 40281072, 41313920, 50351340, 53708096, 61970880, 67135120, 80562144, 100702680, 107416192, 123941760, 134270240, 161124288, 201405360, 268540480, 322248576, 402810720, 537080960, 805621440, 1611242880]

約数ペア:

[(1, 1611242880), (2, 805621440), (3, 537080960), (4, 402810720), (5, 322248576), (6, 268540480), (8, 201405360), (10, 161124288), (12, 134270240), (13, 123941760), (15, 107416192), (16, 100702680), (20, 80562144), (24, 67135120), (26, 61970880), (30, 53708096), (32, 50351340), (39, 41313920), (40, 40281072), (48, 33567560), (52, 30985440), (60, 26854048), (64, 25175670), (65, 24788352), (78, 20656960), (80, 20140536), (96, 16783780), (104, 15492720), (120, 13427024), (128, 12587835), (130, 12394176), (156, 10328480), (160, 10070268), (192, 8391890), (195, 8262784), (208, 7746360), (240, 6713512), (260, 6197088), (312, 5164240), (320, 5035134), (384, 4195945), (390, 4131392), (416, 3873180), (480, 3356756), (520, 3098544), (624, 2582120), (640, 2517567), (780, 2065696), (832, 1936590), (960, 1678378), (1040, 1549272), (1248, 1291060), (1560, 1032848), (1664, 968295), (1920, 839189), (2080, 774636), (2496, 645530), (3120, 516424), (4160, 387318), (4992, 322765), (6240, 258212), (8320, 193659), (12480, 129106), (24960, 64553)]