15445520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 39091248

約数和(自身を除く): 23645728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 277, 328, 340, 410, 554, 656, 680, 697, 820, 1108, 1360, 1385, 1394, 1640, 2216, 2770, 2788, 3280, 3485, 4432, 4709, 5540, 5576, 6970, 9418, 11080, 11152, 11357, 13940, 18836, 22160, 22714, 23545, 27880, 37672, 45428, 47090, 55760, 56785, 75344, 90856, 94180, 113570, 181712, 188360, 193069, 227140, 376720, 386138, 454280, 772276, 908560, 965345, 1544552, 1930690, 3089104, 3861380, 7722760, 15445520]

約数ペア:

[(1, 15445520), (2, 7722760), (4, 3861380), (5, 3089104), (8, 1930690), (10, 1544552), (16, 965345), (17, 908560), (20, 772276), (34, 454280), (40, 386138), (41, 376720), (68, 227140), (80, 193069), (82, 188360), (85, 181712), (136, 113570), (164, 94180), (170, 90856), (205, 75344), (272, 56785), (277, 55760), (328, 47090), (340, 45428), (410, 37672), (554, 27880), (656, 23545), (680, 22714), (697, 22160), (820, 18836), (1108, 13940), (1360, 11357), (1385, 11152), (1394, 11080), (1640, 9418), (2216, 6970), (2770, 5576), (2788, 5540), (3280, 4709), (3485, 4432)]