210104080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1408

約数の個数: 80

約数和(自身を含む): 515859840

約数和(自身を除く): 305755760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1283, 1424, 1780, 1840, 2047, 2566, 3560, 4094, 5132, 6415, 7120, 8188, 10235, 10264, 12830, 16376, 20470, 20528, 25660, 29509, 32752, 40940, 51320, 59018, 81880, 102640, 114187, 118036, 147545, 163760, 228374, 236072, 295090, 456748, 472144, 570935, 590180, 913496, 1141870, 1180360, 1826992, 2283740, 2360720, 2626301, 4567480, 5252602, 9134960, 10505204, 13131505, 21010408, 26263010, 42020816, 52526020, 105052040, 210104080]

約数ペア:

[(1, 210104080), (2, 105052040), (4, 52526020), (5, 42020816), (8, 26263010), (10, 21010408), (16, 13131505), (20, 10505204), (23, 9134960), (40, 5252602), (46, 4567480), (80, 2626301), (89, 2360720), (92, 2283740), (115, 1826992), (178, 1180360), (184, 1141870), (230, 913496), (356, 590180), (368, 570935), (445, 472144), (460, 456748), (712, 295090), (890, 236072), (920, 228374), (1283, 163760), (1424, 147545), (1780, 118036), (1840, 114187), (2047, 102640), (2566, 81880), (3560, 59018), (4094, 51320), (5132, 40940), (6415, 32752), (7120, 29509), (8188, 25660), (10235, 20528), (10264, 20470), (12830, 16376)]