7928560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 19998720

約数和(自身を除く): 12070160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 139, 155, 184, 230, 248, 278, 310, 368, 460, 496, 556, 620, 695, 713, 920, 1112, 1240, 1390, 1426, 1840, 2224, 2480, 2780, 2852, 3197, 3565, 4309, 5560, 5704, 6394, 7130, 8618, 11120, 11408, 12788, 14260, 15985, 17236, 21545, 25576, 28520, 31970, 34472, 43090, 51152, 57040, 63940, 68944, 86180, 99107, 127880, 172360, 198214, 255760, 344720, 396428, 495535, 792856, 991070, 1585712, 1982140, 3964280, 7928560]

約数ペア:

[(1, 7928560), (2, 3964280), (4, 1982140), (5, 1585712), (8, 991070), (10, 792856), (16, 495535), (20, 396428), (23, 344720), (31, 255760), (40, 198214), (46, 172360), (62, 127880), (80, 99107), (92, 86180), (115, 68944), (124, 63940), (139, 57040), (155, 51152), (184, 43090), (230, 34472), (248, 31970), (278, 28520), (310, 25576), (368, 21545), (460, 17236), (496, 15985), (556, 14260), (620, 12788), (695, 11408), (713, 11120), (920, 8618), (1112, 7130), (1240, 6394), (1390, 5704), (1426, 5560), (1840, 4309), (2224, 3565), (2480, 3197), (2780, 2852)]