72196609280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1819471}}^1$

素因数の和:1819523

約数の個数: 72

約数和(自身を含む): 178512036864

約数和(自身を除く): 106315427584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 1819471, 3638942, 7277884, 9097355, 14555768, 18194710, 29111536, 36389420, 56403601, 58223072, 72778840, 112807202, 116446144, 145557680, 225614404, 232892288, 282018005, 291115360, 451228808, 465784576, 564036010, 582230720, 902457616, 1128072020, 1164461440, 1804915232, 2256144040, 2328922880, 3609830464, 4512288080, 7219660928, 9024576160, 14439321856, 18049152320, 36098304640, 72196609280]

約数ペア:

[(1, 72196609280), (2, 36098304640), (4, 18049152320), (5, 14439321856), (8, 9024576160), (10, 7219660928), (16, 4512288080), (20, 3609830464), (31, 2328922880), (32, 2256144040), (40, 1804915232), (62, 1164461440), (64, 1128072020), (80, 902457616), (124, 582230720), (128, 564036010), (155, 465784576), (160, 451228808), (248, 291115360), (256, 282018005), (310, 232892288), (320, 225614404), (496, 145557680), (620, 116446144), (640, 112807202), (992, 72778840), (1240, 58223072), (1280, 56403601), (1984, 36389420), (2480, 29111536), (3968, 18194710), (4960, 14555768), (7936, 9097355), (9920, 7277884), (19840, 3638942), (39680, 1819471)]