400423680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{34759}}^1$

素因数の和:34786

約数の個数: 108

約数和(自身を含む): 1385464080

約数和(自身を除く): 985040400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 34759, 69518, 104277, 139036, 173795, 208554, 278072, 312831, 347590, 417108, 521385, 556144, 625662, 695180, 834216, 1042770, 1112288, 1251324, 1390360, 1564155, 1668432, 2085540, 2224576, 2502648, 2780720, 3128310, 3336864, 4171080, 4449152, 5005296, 5561440, 6256620, 6673728, 8342160, 8898304, 10010592, 11122880, 12513240, 13347456, 16684320, 20021184, 22245760, 25026480, 26694912, 33368640, 40042368, 44491520, 50052960, 66737280, 80084736, 100105920, 133474560, 200211840, 400423680]

約数ペア:

[(1, 400423680), (2, 200211840), (3, 133474560), (4, 100105920), (5, 80084736), (6, 66737280), (8, 50052960), (9, 44491520), (10, 40042368), (12, 33368640), (15, 26694912), (16, 25026480), (18, 22245760), (20, 20021184), (24, 16684320), (30, 13347456), (32, 12513240), (36, 11122880), (40, 10010592), (45, 8898304), (48, 8342160), (60, 6673728), (64, 6256620), (72, 5561440), (80, 5005296), (90, 4449152), (96, 4171080), (120, 3336864), (128, 3128310), (144, 2780720), (160, 2502648), (180, 2224576), (192, 2085540), (240, 1668432), (256, 1564155), (288, 1390360), (320, 1251324), (360, 1112288), (384, 1042770), (480, 834216), (576, 695180), (640, 625662), (720, 556144), (768, 521385), (960, 417108), (1152, 347590), (1280, 312831), (1440, 278072), (1920, 208554), (2304, 173795), (2880, 139036), (3840, 104277), (5760, 69518), (11520, 34759)]