7888945720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1697}}^1$

素因数の和:1925

約数の個数: 128

約数和(自身を含む): 19247984640

約数和(自身を除く): 11359038920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 163, 184, 230, 248, 310, 326, 460, 620, 652, 713, 815, 920, 1240, 1304, 1426, 1630, 1697, 2852, 3260, 3394, 3565, 3749, 5053, 5704, 6520, 6788, 7130, 7498, 8485, 10106, 13576, 14260, 14996, 16970, 18745, 20212, 25265, 28520, 29992, 33940, 37490, 39031, 40424, 50530, 52607, 67880, 74980, 78062, 101060, 105214, 116219, 149960, 156124, 195155, 202120, 210428, 232438, 263035, 276611, 312248, 390310, 420856, 464876, 526070, 553222, 581095, 780620, 929752, 1052140, 1106444, 1162190, 1209961, 1383055, 1561240, 2104280, 2212888, 2324380, 2419922, 2766110, 4648760, 4839844, 5532220, 6049805, 6362053, 8574941, 9679688, 11064440, 12099610, 12724106, 17149882, 24199220, 25448212, 31810265, 34299764, 42874705, 48398440, 50896424, 63620530, 68599528, 85749410, 127241060, 171498820, 197223643, 254482120, 342997640, 394447286, 788894572, 986118215, 1577789144, 1972236430, 3944472860, 7888945720]

約数ペア:

[(1, 7888945720), (2, 3944472860), (4, 1972236430), (5, 1577789144), (8, 986118215), (10, 788894572), (20, 394447286), (23, 342997640), (31, 254482120), (40, 197223643), (46, 171498820), (62, 127241060), (92, 85749410), (115, 68599528), (124, 63620530), (155, 50896424), (163, 48398440), (184, 42874705), (230, 34299764), (248, 31810265), (310, 25448212), (326, 24199220), (460, 17149882), (620, 12724106), (652, 12099610), (713, 11064440), (815, 9679688), (920, 8574941), (1240, 6362053), (1304, 6049805), (1426, 5532220), (1630, 4839844), (1697, 4648760), (2852, 2766110), (3260, 2419922), (3394, 2324380), (3565, 2212888), (3749, 2104280), (5053, 1561240), (5704, 1383055), (6520, 1209961), (6788, 1162190), (7130, 1106444), (7498, 1052140), (8485, 929752), (10106, 780620), (13576, 581095), (14260, 553222), (14996, 526070), (16970, 464876), (18745, 420856), (20212, 390310), (25265, 312248), (28520, 276611), (29992, 263035), (33940, 232438), (37490, 210428), (39031, 202120), (40424, 195155), (50530, 156124), (52607, 149960), (67880, 116219), (74980, 105214), (78062, 101060)]