15739488640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 39367842480

約数和(自身を除く): 23628353840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 157, 160, 163, 248, 310, 314, 320, 326, 496, 620, 628, 640, 652, 785, 815, 961, 992, 1240, 1256, 1304, 1570, 1630, 1922, 1984, 2480, 2512, 2608, 3140, 3260, 3844, 3968, 4805, 4867, 4960, 5024, 5053, 5216, 6280, 6520, 7688, 9610, 9734, 9920, 10048, 10106, 10432, 12560, 13040, 15376, 19220, 19468, 19840, 20096, 20212, 20864, 24335, 25120, 25265, 25591, 26080, 30752, 38440, 38936, 40424, 48670, 50240, 50530, 51182, 52160, 61504, 76880, 77872, 80848, 97340, 100480, 101060, 102364, 104320, 123008, 127955, 150877, 153760, 155744, 156643, 161696, 194680, 202120, 204728, 255910, 301754, 307520, 311488, 313286, 323392, 389360, 404240, 409456, 511820, 603508, 615040, 622976, 626572, 646784, 754385, 778720, 783215, 793321, 808480, 818912, 1023640, 1207016, 1253144, 1508770, 1557440, 1566430, 1586642, 1616960, 1637824, 2047280, 2414032, 2506288, 3017540, 3114880, 3132860, 3173284, 3233920, 3275648, 3966605, 4094560, 4828064, 5012576, 6035080, 6265720, 6346568, 7933210, 8189120, 9656128, 10025152, 12070160, 12531440, 12693136, 15866420, 16378240, 19312256, 20050304, 24140320, 24592951, 25062880, 25386272, 31732840, 48280640, 49185902, 50125760, 50772544, 63465680, 96561280, 98371804, 100251520, 101545088, 122964755, 126931360, 196743608, 245929510, 253862720, 393487216, 491859020, 507725440, 786974432, 983718040, 1573948864, 1967436080, 3147897728, 3934872160, 7869744320, 15739488640]

約数ペア:

[(1, 15739488640), (2, 7869744320), (4, 3934872160), (5, 3147897728), (8, 1967436080), (10, 1573948864), (16, 983718040), (20, 786974432), (31, 507725440), (32, 491859020), (40, 393487216), (62, 253862720), (64, 245929510), (80, 196743608), (124, 126931360), (128, 122964755), (155, 101545088), (157, 100251520), (160, 98371804), (163, 96561280), (248, 63465680), (310, 50772544), (314, 50125760), (320, 49185902), (326, 48280640), (496, 31732840), (620, 25386272), (628, 25062880), (640, 24592951), (652, 24140320), (785, 20050304), (815, 19312256), (961, 16378240), (992, 15866420), (1240, 12693136), (1256, 12531440), (1304, 12070160), (1570, 10025152), (1630, 9656128), (1922, 8189120), (1984, 7933210), (2480, 6346568), (2512, 6265720), (2608, 6035080), (3140, 5012576), (3260, 4828064), (3844, 4094560), (3968, 3966605), (4805, 3275648), (4867, 3233920), (4960, 3173284), (5024, 3132860), (5053, 3114880), (5216, 3017540), (6280, 2506288), (6520, 2414032), (7688, 2047280), (9610, 1637824), (9734, 1616960), (9920, 1586642), (10048, 1566430), (10106, 1557440), (10432, 1508770), (12560, 1253144), (13040, 1207016), (15376, 1023640), (19220, 818912), (19468, 808480), (19840, 793321), (20096, 783215), (20212, 778720), (20864, 754385), (24335, 646784), (25120, 626572), (25265, 622976), (25591, 615040), (26080, 603508), (30752, 511820), (38440, 409456), (38936, 404240), (40424, 389360), (48670, 323392), (50240, 313286), (50530, 311488), (51182, 307520), (52160, 301754), (61504, 255910), (76880, 204728), (77872, 202120), (80848, 194680), (97340, 161696), (100480, 156643), (101060, 155744), (102364, 153760), (104320, 150877), (123008, 127955)]