12801800

素因数分解:

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

素因数の和:84

約数の個数: 108

約数和(自身を含む): 34200285

約数和(自身を除く): 21398485

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 40, 44, 46, 50, 55, 88, 92, 100, 110, 115, 121, 184, 200, 220, 230, 242, 253, 275, 440, 460, 484, 506, 529, 550, 575, 605, 920, 968, 1012, 1058, 1100, 1150, 1210, 1265, 2024, 2116, 2200, 2300, 2420, 2530, 2645, 2783, 3025, 4232, 4600, 4840, 5060, 5290, 5566, 5819, 6050, 6325, 10120, 10580, 11132, 11638, 12100, 12650, 13225, 13915, 21160, 22264, 23276, 24200, 25300, 26450, 27830, 29095, 46552, 50600, 52900, 55660, 58190, 64009, 69575, 105800, 111320, 116380, 128018, 139150, 145475, 232760, 256036, 278300, 290950, 320045, 512072, 556600, 581900, 640090, 1163800, 1280180, 1600225, 2560360, 3200450, 6400900, 12801800]

約数ペア:

[(1, 12801800), (2, 6400900), (4, 3200450), (5, 2560360), (8, 1600225), (10, 1280180), (11, 1163800), (20, 640090), (22, 581900), (23, 556600), (25, 512072), (40, 320045), (44, 290950), (46, 278300), (50, 256036), (55, 232760), (88, 145475), (92, 139150), (100, 128018), (110, 116380), (115, 111320), (121, 105800), (184, 69575), (200, 64009), (220, 58190), (230, 55660), (242, 52900), (253, 50600), (275, 46552), (440, 29095), (460, 27830), (484, 26450), (506, 25300), (529, 24200), (550, 23276), (575, 22264), (605, 21160), (920, 13915), (968, 13225), (1012, 12650), (1058, 12100), (1100, 11638), (1150, 11132), (1210, 10580), (1265, 10120), (2024, 6325), (2116, 6050), (2200, 5819), (2300, 5566), (2420, 5290), (2530, 5060), (2645, 4840), (2783, 4600), (3025, 4232)]