320717760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 224

約数和(自身を含む): 1124492544

約数和(自身を除く): 803774784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 192, 220, 240, 242, 251, 264, 320, 330, 352, 363, 440, 480, 484, 502, 528, 605, 660, 704, 726, 753, 880, 960, 968, 1004, 1056, 1210, 1255, 1320, 1331, 1452, 1506, 1760, 1815, 1936, 2008, 2112, 2420, 2510, 2640, 2662, 2761, 2904, 3012, 3520, 3630, 3765, 3872, 3993, 4016, 4840, 5020, 5280, 5324, 5522, 5808, 6024, 6655, 7260, 7530, 7744, 7986, 8032, 8283, 9680, 10040, 10560, 10648, 11044, 11616, 12048, 13310, 13805, 14520, 15060, 15972, 16064, 16566, 19360, 19965, 20080, 21296, 22088, 23232, 24096, 26620, 27610, 29040, 30120, 30371, 31944, 33132, 38720, 39930, 40160, 41415, 42592, 44176, 48192, 53240, 55220, 58080, 60240, 60742, 63888, 66264, 79860, 80320, 82830, 85184, 88352, 91113, 106480, 110440, 116160, 120480, 121484, 127776, 132528, 151855, 159720, 165660, 176704, 182226, 212960, 220880, 240960, 242968, 255552, 265056, 303710, 319440, 331320, 334081, 364452, 425920, 441760, 455565, 485936, 530112, 607420, 638880, 662640, 668162, 728904, 883520, 911130, 971872, 1002243, 1214840, 1277760, 1325280, 1336324, 1457808, 1670405, 1822260, 1943744, 2004486, 2429680, 2650560, 2672648, 2915616, 3340810, 3644520, 4008972, 4859360, 5011215, 5345296, 5831232, 6681620, 7289040, 8017944, 9718720, 10022430, 10690592, 13363240, 14578080, 16035888, 20044860, 21381184, 26726480, 29156160, 32071776, 40089720, 53452960, 64143552, 80179440, 106905920, 160358880, 320717760]

約数ペア:

[(1, 320717760), (2, 160358880), (3, 106905920), (4, 80179440), (5, 64143552), (6, 53452960), (8, 40089720), (10, 32071776), (11, 29156160), (12, 26726480), (15, 21381184), (16, 20044860), (20, 16035888), (22, 14578080), (24, 13363240), (30, 10690592), (32, 10022430), (33, 9718720), (40, 8017944), (44, 7289040), (48, 6681620), (55, 5831232), (60, 5345296), (64, 5011215), (66, 4859360), (80, 4008972), (88, 3644520), (96, 3340810), (110, 2915616), (120, 2672648), (121, 2650560), (132, 2429680), (160, 2004486), (165, 1943744), (176, 1822260), (192, 1670405), (220, 1457808), (240, 1336324), (242, 1325280), (251, 1277760), (264, 1214840), (320, 1002243), (330, 971872), (352, 911130), (363, 883520), (440, 728904), (480, 668162), (484, 662640), (502, 638880), (528, 607420), (605, 530112), (660, 485936), (704, 455565), (726, 441760), (753, 425920), (880, 364452), (960, 334081), (968, 331320), (1004, 319440), (1056, 303710), (1210, 265056), (1255, 255552), (1320, 242968), (1331, 240960), (1452, 220880), (1506, 212960), (1760, 182226), (1815, 176704), (1936, 165660), (2008, 159720), (2112, 151855), (2420, 132528), (2510, 127776), (2640, 121484), (2662, 120480), (2761, 116160), (2904, 110440), (3012, 106480), (3520, 91113), (3630, 88352), (3765, 85184), (3872, 82830), (3993, 80320), (4016, 79860), (4840, 66264), (5020, 63888), (5280, 60742), (5324, 60240), (5522, 58080), (5808, 55220), (6024, 53240), (6655, 48192), (7260, 44176), (7530, 42592), (7744, 41415), (7986, 40160), (8032, 39930), (8283, 38720), (9680, 33132), (10040, 31944), (10560, 30371), (10648, 30120), (11044, 29040), (11616, 27610), (12048, 26620), (13310, 24096), (13805, 23232), (14520, 22088), (15060, 21296), (15972, 20080), (16064, 19965), (16566, 19360)]