307812640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 756725760

約数和(自身を除く): 448913120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 229, 248, 271, 310, 458, 496, 542, 620, 916, 992, 1084, 1145, 1240, 1355, 1832, 2168, 2290, 2480, 2710, 3664, 4336, 4580, 4960, 5420, 7099, 7328, 8401, 8672, 9160, 10840, 14198, 16802, 18320, 21680, 28396, 33604, 35495, 36640, 42005, 43360, 56792, 62059, 67208, 70990, 84010, 113584, 124118, 134416, 141980, 168020, 227168, 248236, 268832, 283960, 310295, 336040, 496472, 567920, 620590, 672080, 992944, 1135840, 1241180, 1344160, 1923829, 1985888, 2482360, 3847658, 4964720, 7695316, 9619145, 9929440, 15390632, 19238290, 30781264, 38476580, 61562528, 76953160, 153906320, 307812640]

約数ペア:

[(1, 307812640), (2, 153906320), (4, 76953160), (5, 61562528), (8, 38476580), (10, 30781264), (16, 19238290), (20, 15390632), (31, 9929440), (32, 9619145), (40, 7695316), (62, 4964720), (80, 3847658), (124, 2482360), (155, 1985888), (160, 1923829), (229, 1344160), (248, 1241180), (271, 1135840), (310, 992944), (458, 672080), (496, 620590), (542, 567920), (620, 496472), (916, 336040), (992, 310295), (1084, 283960), (1145, 268832), (1240, 248236), (1355, 227168), (1832, 168020), (2168, 141980), (2290, 134416), (2480, 124118), (2710, 113584), (3664, 84010), (4336, 70990), (4580, 67208), (4960, 62059), (5420, 56792), (7099, 43360), (7328, 42005), (8401, 36640), (8672, 35495), (9160, 33604), (10840, 28396), (14198, 21680), (16802, 18320)]