278973960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4011

約数の個数: 128

約数和(自身を含む): 909619200

約数和(自身を除く): 630645240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 3947, 4712, 5890, 7068, 7894, 8835, 11780, 11841, 14136, 15788, 17670, 19735, 23560, 23682, 31576, 35340, 39470, 47364, 59205, 70680, 74993, 78940, 94728, 118410, 122357, 149986, 157880, 224979, 236820, 244714, 299972, 367071, 374965, 449958, 473640, 489428, 599944, 611785, 734142, 749930, 899916, 978856, 1124895, 1223570, 1468284, 1499860, 1799832, 1835355, 2249790, 2324783, 2447140, 2936568, 2999720, 3670710, 4499580, 4649566, 4894280, 6974349, 7341420, 8999160, 9299132, 11623915, 13948698, 14682840, 18598264, 23247830, 27897396, 34871745, 46495660, 55794792, 69743490, 92991320, 139486980, 278973960]

約数ペア:

[(1, 278973960), (2, 139486980), (3, 92991320), (4, 69743490), (5, 55794792), (6, 46495660), (8, 34871745), (10, 27897396), (12, 23247830), (15, 18598264), (19, 14682840), (20, 13948698), (24, 11623915), (30, 9299132), (31, 8999160), (38, 7341420), (40, 6974349), (57, 4894280), (60, 4649566), (62, 4499580), (76, 3670710), (93, 2999720), (95, 2936568), (114, 2447140), (120, 2324783), (124, 2249790), (152, 1835355), (155, 1799832), (186, 1499860), (190, 1468284), (228, 1223570), (248, 1124895), (285, 978856), (310, 899916), (372, 749930), (380, 734142), (456, 611785), (465, 599944), (570, 489428), (589, 473640), (620, 449958), (744, 374965), (760, 367071), (930, 299972), (1140, 244714), (1178, 236820), (1240, 224979), (1767, 157880), (1860, 149986), (2280, 122357), (2356, 118410), (2945, 94728), (3534, 78940), (3720, 74993), (3947, 70680), (4712, 59205), (5890, 47364), (7068, 39470), (7894, 35340), (8835, 31576), (11780, 23682), (11841, 23560), (14136, 19735), (15788, 17670)]