63456280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 146512800

約数和(自身を除く): 83056520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 113, 139, 202, 226, 278, 404, 452, 505, 556, 565, 695, 808, 904, 1010, 1112, 1130, 1390, 2020, 2260, 2780, 4040, 4520, 5560, 11413, 14039, 15707, 22826, 28078, 31414, 45652, 56156, 57065, 62828, 70195, 78535, 91304, 112312, 114130, 125656, 140390, 157070, 228260, 280780, 314140, 456520, 561560, 628280, 1586407, 3172814, 6345628, 7932035, 12691256, 15864070, 31728140, 63456280]

約数ペア:

[(1, 63456280), (2, 31728140), (4, 15864070), (5, 12691256), (8, 7932035), (10, 6345628), (20, 3172814), (40, 1586407), (101, 628280), (113, 561560), (139, 456520), (202, 314140), (226, 280780), (278, 228260), (404, 157070), (452, 140390), (505, 125656), (556, 114130), (565, 112312), (695, 91304), (808, 78535), (904, 70195), (1010, 62828), (1112, 57065), (1130, 56156), (1390, 45652), (2020, 31414), (2260, 28078), (2780, 22826), (4040, 15707), (4520, 14039), (5560, 11413)]