15888400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 43729344

約数和(自身を除く): 27840944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 157, 176, 184, 200, 220, 230, 253, 275, 314, 368, 400, 440, 460, 506, 550, 575, 628, 785, 880, 920, 1012, 1100, 1150, 1256, 1265, 1570, 1727, 1840, 2024, 2200, 2300, 2512, 2530, 3140, 3454, 3611, 3925, 4048, 4400, 4600, 5060, 6280, 6325, 6908, 7222, 7850, 8635, 9200, 10120, 12560, 12650, 13816, 14444, 15700, 17270, 18055, 20240, 25300, 27632, 28888, 31400, 34540, 36110, 39721, 43175, 50600, 57776, 62800, 69080, 72220, 79442, 86350, 90275, 101200, 138160, 144440, 158884, 172700, 180550, 198605, 288880, 317768, 345400, 361100, 397210, 635536, 690800, 722200, 794420, 993025, 1444400, 1588840, 1986050, 3177680, 3972100, 7944200, 15888400]

約数ペア:

[(1, 15888400), (2, 7944200), (4, 3972100), (5, 3177680), (8, 1986050), (10, 1588840), (11, 1444400), (16, 993025), (20, 794420), (22, 722200), (23, 690800), (25, 635536), (40, 397210), (44, 361100), (46, 345400), (50, 317768), (55, 288880), (80, 198605), (88, 180550), (92, 172700), (100, 158884), (110, 144440), (115, 138160), (157, 101200), (176, 90275), (184, 86350), (200, 79442), (220, 72220), (230, 69080), (253, 62800), (275, 57776), (314, 50600), (368, 43175), (400, 39721), (440, 36110), (460, 34540), (506, 31400), (550, 28888), (575, 27632), (628, 25300), (785, 20240), (880, 18055), (920, 17270), (1012, 15700), (1100, 14444), (1150, 13816), (1256, 12650), (1265, 12560), (1570, 10120), (1727, 9200), (1840, 8635), (2024, 7850), (2200, 7222), (2300, 6908), (2512, 6325), (2530, 6280), (3140, 5060), (3454, 4600), (3611, 4400), (3925, 4048)]