16867280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 41783040

約数和(自身を除く): 24915760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 103, 115, 178, 184, 206, 230, 356, 368, 412, 445, 460, 515, 712, 824, 890, 920, 1030, 1424, 1648, 1780, 1840, 2047, 2060, 2369, 3560, 4094, 4120, 4738, 7120, 8188, 8240, 9167, 9476, 10235, 11845, 16376, 18334, 18952, 20470, 23690, 32752, 36668, 37904, 40940, 45835, 47380, 73336, 81880, 91670, 94760, 146672, 163760, 183340, 189520, 210841, 366680, 421682, 733360, 843364, 1054205, 1686728, 2108410, 3373456, 4216820, 8433640, 16867280]

約数ペア:

[(1, 16867280), (2, 8433640), (4, 4216820), (5, 3373456), (8, 2108410), (10, 1686728), (16, 1054205), (20, 843364), (23, 733360), (40, 421682), (46, 366680), (80, 210841), (89, 189520), (92, 183340), (103, 163760), (115, 146672), (178, 94760), (184, 91670), (206, 81880), (230, 73336), (356, 47380), (368, 45835), (412, 40940), (445, 37904), (460, 36668), (515, 32752), (712, 23690), (824, 20470), (890, 18952), (920, 18334), (1030, 16376), (1424, 11845), (1648, 10235), (1780, 9476), (1840, 9167), (2047, 8240), (2060, 8188), (2369, 7120), (3560, 4738), (4094, 4120)]