281976960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 975576960

約数和(自身を除く): 693600000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 53, 60, 64, 68, 80, 85, 96, 102, 106, 120, 128, 136, 159, 160, 163, 170, 192, 204, 212, 240, 255, 265, 272, 318, 320, 326, 340, 384, 408, 424, 480, 489, 510, 530, 544, 636, 640, 652, 680, 795, 815, 816, 848, 901, 960, 978, 1020, 1060, 1088, 1272, 1304, 1360, 1590, 1630, 1632, 1696, 1802, 1920, 1956, 2040, 2120, 2176, 2445, 2544, 2608, 2703, 2720, 2771, 3180, 3260, 3264, 3392, 3604, 3912, 4080, 4240, 4505, 4890, 5088, 5216, 5406, 5440, 5542, 6360, 6520, 6528, 6784, 7208, 7824, 8160, 8313, 8480, 8639, 9010, 9780, 10176, 10432, 10812, 10880, 11084, 12720, 13040, 13515, 13855, 14416, 15648, 16320, 16626, 16960, 17278, 18020, 19560, 20352, 20864, 21624, 22168, 25440, 25917, 26080, 27030, 27710, 28832, 31296, 32640, 33252, 33920, 34556, 36040, 39120, 41565, 43195, 43248, 44336, 50880, 51834, 52160, 54060, 55420, 57664, 62592, 66504, 69112, 72080, 78240, 83130, 86390, 86496, 88672, 101760, 103668, 104320, 108120, 110840, 115328, 129585, 133008, 138224, 144160, 146863, 156480, 166260, 172780, 172992, 177344, 207336, 216240, 221680, 259170, 266016, 276448, 288320, 293726, 312960, 332520, 345560, 345984, 354688, 414672, 432480, 440589, 443360, 518340, 532032, 552896, 576640, 587452, 665040, 691120, 734315, 829344, 864960, 881178, 886720, 1036680, 1064064, 1105792, 1174904, 1330080, 1382240, 1468630, 1658688, 1729920, 1762356, 1773440, 2073360, 2202945, 2349808, 2660160, 2764480, 2937260, 3317376, 3524712, 4146720, 4405890, 4699616, 5320320, 5528960, 5874520, 7049424, 8293440, 8811780, 9399232, 11749040, 14098848, 16586880, 17623560, 18798464, 23498080, 28197696, 35247120, 46996160, 56395392, 70494240, 93992320, 140988480, 281976960]

約数ペア:

[(1, 281976960), (2, 140988480), (3, 93992320), (4, 70494240), (5, 56395392), (6, 46996160), (8, 35247120), (10, 28197696), (12, 23498080), (15, 18798464), (16, 17623560), (17, 16586880), (20, 14098848), (24, 11749040), (30, 9399232), (32, 8811780), (34, 8293440), (40, 7049424), (48, 5874520), (51, 5528960), (53, 5320320), (60, 4699616), (64, 4405890), (68, 4146720), (80, 3524712), (85, 3317376), (96, 2937260), (102, 2764480), (106, 2660160), (120, 2349808), (128, 2202945), (136, 2073360), (159, 1773440), (160, 1762356), (163, 1729920), (170, 1658688), (192, 1468630), (204, 1382240), (212, 1330080), (240, 1174904), (255, 1105792), (265, 1064064), (272, 1036680), (318, 886720), (320, 881178), (326, 864960), (340, 829344), (384, 734315), (408, 691120), (424, 665040), (480, 587452), (489, 576640), (510, 552896), (530, 532032), (544, 518340), (636, 443360), (640, 440589), (652, 432480), (680, 414672), (795, 354688), (815, 345984), (816, 345560), (848, 332520), (901, 312960), (960, 293726), (978, 288320), (1020, 276448), (1060, 266016), (1088, 259170), (1272, 221680), (1304, 216240), (1360, 207336), (1590, 177344), (1630, 172992), (1632, 172780), (1696, 166260), (1802, 156480), (1920, 146863), (1956, 144160), (2040, 138224), (2120, 133008), (2176, 129585), (2445, 115328), (2544, 110840), (2608, 108120), (2703, 104320), (2720, 103668), (2771, 101760), (3180, 88672), (3260, 86496), (3264, 86390), (3392, 83130), (3604, 78240), (3912, 72080), (4080, 69112), (4240, 66504), (4505, 62592), (4890, 57664), (5088, 55420), (5216, 54060), (5406, 52160), (5440, 51834), (5542, 50880), (6360, 44336), (6520, 43248), (6528, 43195), (6784, 41565), (7208, 39120), (7824, 36040), (8160, 34556), (8313, 33920), (8480, 33252), (8639, 32640), (9010, 31296), (9780, 28832), (10176, 27710), (10432, 27030), (10812, 26080), (10880, 25917), (11084, 25440), (12720, 22168), (13040, 21624), (13515, 20864), (13855, 20352), (14416, 19560), (15648, 18020), (16320, 17278), (16626, 16960)]