268995720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{743}}^1$

素因数の和:1195

約数の個数: 128

約数和(自身を含む): 925655040

約数和(自身を除く): 656659320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 431, 743, 840, 862, 1293, 1486, 1724, 2155, 2229, 2586, 2972, 3017, 3448, 3715, 4310, 4458, 5172, 5201, 5944, 6034, 6465, 7430, 8620, 8916, 9051, 10344, 10402, 11145, 12068, 12930, 14860, 15085, 15603, 17240, 17832, 18102, 20804, 22290, 24136, 25860, 26005, 29720, 30170, 31206, 36204, 41608, 44580, 45255, 51720, 52010, 60340, 62412, 72408, 78015, 89160, 90510, 104020, 120680, 124824, 156030, 181020, 208040, 312060, 320233, 362040, 624120, 640466, 960699, 1280932, 1601165, 1921398, 2241631, 2561864, 3202330, 3842796, 4483262, 4803495, 6404660, 6724893, 7685592, 8966524, 9606990, 11208155, 12809320, 13449786, 17933048, 19213980, 22416310, 26899572, 33624465, 38427960, 44832620, 53799144, 67248930, 89665240, 134497860, 268995720]

約数ペア:

[(1, 268995720), (2, 134497860), (3, 89665240), (4, 67248930), (5, 53799144), (6, 44832620), (7, 38427960), (8, 33624465), (10, 26899572), (12, 22416310), (14, 19213980), (15, 17933048), (20, 13449786), (21, 12809320), (24, 11208155), (28, 9606990), (30, 8966524), (35, 7685592), (40, 6724893), (42, 6404660), (56, 4803495), (60, 4483262), (70, 3842796), (84, 3202330), (105, 2561864), (120, 2241631), (140, 1921398), (168, 1601165), (210, 1280932), (280, 960699), (420, 640466), (431, 624120), (743, 362040), (840, 320233), (862, 312060), (1293, 208040), (1486, 181020), (1724, 156030), (2155, 124824), (2229, 120680), (2586, 104020), (2972, 90510), (3017, 89160), (3448, 78015), (3715, 72408), (4310, 62412), (4458, 60340), (5172, 52010), (5201, 51720), (5944, 45255), (6034, 44580), (6465, 41608), (7430, 36204), (8620, 31206), (8916, 30170), (9051, 29720), (10344, 26005), (10402, 25860), (11145, 24136), (12068, 22290), (12930, 20804), (14860, 18102), (15085, 17832), (15603, 17240)]