12721071200

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:937

約数の個数: 144

約数和(自身を含む): 31525544736

約数和(自身を除く): 18804473536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 313, 400, 404, 503, 505, 626, 800, 808, 1006, 1010, 1252, 1565, 1616, 2012, 2020, 2504, 2515, 2525, 3130, 3232, 4024, 4040, 5008, 5030, 5050, 6260, 7825, 8048, 8080, 10016, 10060, 10100, 12520, 12575, 15650, 16096, 16160, 20120, 20200, 25040, 25150, 31300, 31613, 40240, 40400, 50080, 50300, 50803, 62600, 63226, 80480, 80800, 100600, 101606, 125200, 126452, 157439, 158065, 201200, 203212, 250400, 252904, 254015, 314878, 316130, 402400, 406424, 505808, 508030, 629756, 632260, 787195, 790325, 812848, 1011616, 1016060, 1259512, 1264520, 1270075, 1574390, 1580650, 1625696, 2032120, 2519024, 2529040, 2540150, 3148780, 3161300, 3935975, 4064240, 5038048, 5058080, 5080300, 6297560, 6322600, 7871950, 8128480, 10160600, 12595120, 12645200, 15743900, 15901339, 20321200, 25190240, 25290400, 31487800, 31802678, 40642400, 62975600, 63605356, 79506695, 125951200, 127210712, 159013390, 254421424, 318026780, 397533475, 508842848, 636053560, 795066950, 1272107120, 1590133900, 2544214240, 3180267800, 6360535600, 12721071200]

約数ペア:

[(1, 12721071200), (2, 6360535600), (4, 3180267800), (5, 2544214240), (8, 1590133900), (10, 1272107120), (16, 795066950), (20, 636053560), (25, 508842848), (32, 397533475), (40, 318026780), (50, 254421424), (80, 159013390), (100, 127210712), (101, 125951200), (160, 79506695), (200, 63605356), (202, 62975600), (313, 40642400), (400, 31802678), (404, 31487800), (503, 25290400), (505, 25190240), (626, 20321200), (800, 15901339), (808, 15743900), (1006, 12645200), (1010, 12595120), (1252, 10160600), (1565, 8128480), (1616, 7871950), (2012, 6322600), (2020, 6297560), (2504, 5080300), (2515, 5058080), (2525, 5038048), (3130, 4064240), (3232, 3935975), (4024, 3161300), (4040, 3148780), (5008, 2540150), (5030, 2529040), (5050, 2519024), (6260, 2032120), (7825, 1625696), (8048, 1580650), (8080, 1574390), (10016, 1270075), (10060, 1264520), (10100, 1259512), (12520, 1016060), (12575, 1011616), (15650, 812848), (16096, 790325), (16160, 787195), (20120, 632260), (20200, 629756), (25040, 508030), (25150, 505808), (31300, 406424), (31613, 402400), (40240, 316130), (40400, 314878), (50080, 254015), (50300, 252904), (50803, 250400), (62600, 203212), (63226, 201200), (80480, 158065), (80800, 157439), (100600, 126452), (101606, 125200)]