123453880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1165

約数の個数: 96

約数和(自身を含む): 318880800

約数和(自身を除く): 195426920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 440, 460, 484, 506, 605, 920, 968, 1012, 1109, 1210, 1265, 2024, 2218, 2420, 2530, 2783, 4436, 4840, 5060, 5545, 5566, 8872, 10120, 11090, 11132, 12199, 13915, 22180, 22264, 24398, 25507, 27830, 44360, 48796, 51014, 55660, 60995, 97592, 102028, 111320, 121990, 127535, 134189, 204056, 243980, 255070, 268378, 280577, 487960, 510140, 536756, 561154, 670945, 1020280, 1073512, 1122308, 1341890, 1402885, 2244616, 2683780, 2805770, 3086347, 5367560, 5611540, 6172694, 11223080, 12345388, 15431735, 24690776, 30863470, 61726940, 123453880]

約数ペア:

[(1, 123453880), (2, 61726940), (4, 30863470), (5, 24690776), (8, 15431735), (10, 12345388), (11, 11223080), (20, 6172694), (22, 5611540), (23, 5367560), (40, 3086347), (44, 2805770), (46, 2683780), (55, 2244616), (88, 1402885), (92, 1341890), (110, 1122308), (115, 1073512), (121, 1020280), (184, 670945), (220, 561154), (230, 536756), (242, 510140), (253, 487960), (440, 280577), (460, 268378), (484, 255070), (506, 243980), (605, 204056), (920, 134189), (968, 127535), (1012, 121990), (1109, 111320), (1210, 102028), (1265, 97592), (2024, 60995), (2218, 55660), (2420, 51014), (2530, 48796), (2783, 44360), (4436, 27830), (4840, 25507), (5060, 24398), (5545, 22264), (5566, 22180), (8872, 13915), (10120, 12199), (11090, 11132)]