2091512960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 5193676800

約数和(自身を除く): 3102163840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 271, 310, 320, 389, 496, 542, 620, 640, 778, 992, 1084, 1240, 1355, 1556, 1945, 1984, 2168, 2480, 2710, 3112, 3890, 3968, 4336, 4960, 5420, 6224, 7780, 8401, 8672, 9920, 10840, 12059, 12448, 15560, 16802, 17344, 19840, 21680, 24118, 24896, 31120, 33604, 34688, 42005, 43360, 48236, 49792, 60295, 62240, 67208, 84010, 86720, 96472, 105419, 120590, 124480, 134416, 168020, 173440, 192944, 210838, 241180, 248960, 268832, 336040, 385888, 421676, 482360, 527095, 537664, 672080, 771776, 843352, 964720, 1054190, 1075328, 1344160, 1543552, 1686704, 1929440, 2108380, 2688320, 3267989, 3373408, 3858880, 4216760, 5376640, 6535978, 6746816, 7717760, 8433520, 13071956, 13493632, 16339945, 16867040, 26143912, 32679890, 33734080, 52287824, 65359780, 67468160, 104575648, 130719560, 209151296, 261439120, 418302592, 522878240, 1045756480, 2091512960]

約数ペア:

[(1, 2091512960), (2, 1045756480), (4, 522878240), (5, 418302592), (8, 261439120), (10, 209151296), (16, 130719560), (20, 104575648), (31, 67468160), (32, 65359780), (40, 52287824), (62, 33734080), (64, 32679890), (80, 26143912), (124, 16867040), (128, 16339945), (155, 13493632), (160, 13071956), (248, 8433520), (271, 7717760), (310, 6746816), (320, 6535978), (389, 5376640), (496, 4216760), (542, 3858880), (620, 3373408), (640, 3267989), (778, 2688320), (992, 2108380), (1084, 1929440), (1240, 1686704), (1355, 1543552), (1556, 1344160), (1945, 1075328), (1984, 1054190), (2168, 964720), (2480, 843352), (2710, 771776), (3112, 672080), (3890, 537664), (3968, 527095), (4336, 482360), (4960, 421676), (5420, 385888), (6224, 336040), (7780, 268832), (8401, 248960), (8672, 241180), (9920, 210838), (10840, 192944), (12059, 173440), (12448, 168020), (15560, 134416), (16802, 124480), (17344, 120590), (19840, 105419), (21680, 96472), (24118, 86720), (24896, 84010), (31120, 67208), (33604, 62240), (34688, 60295), (42005, 49792), (43360, 48236)]