289563560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 836075520

約数和(自身を除く): 546511960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 31, 40, 44, 46, 52, 55, 62, 65, 71, 88, 92, 104, 110, 115, 124, 130, 142, 143, 155, 184, 220, 230, 248, 253, 260, 284, 286, 299, 310, 341, 355, 403, 440, 460, 506, 520, 568, 572, 598, 620, 682, 710, 713, 715, 781, 806, 920, 923, 1012, 1144, 1196, 1240, 1265, 1364, 1420, 1426, 1430, 1495, 1562, 1612, 1633, 1705, 1846, 2015, 2024, 2201, 2392, 2530, 2728, 2840, 2852, 2860, 2990, 3124, 3224, 3266, 3289, 3410, 3565, 3692, 3905, 4030, 4402, 4433, 4615, 5060, 5704, 5720, 5980, 6248, 6532, 6578, 6820, 7130, 7384, 7810, 7843, 8060, 8165, 8804, 8866, 9230, 9269, 10120, 10153, 11005, 11960, 13064, 13156, 13640, 14260, 15620, 15686, 16120, 16330, 16445, 17608, 17732, 17963, 18460, 18538, 20306, 21229, 22010, 22165, 24211, 26312, 28520, 28613, 31240, 31372, 32660, 32890, 35464, 35926, 36920, 37076, 39215, 40612, 42458, 44020, 44330, 46345, 48422, 50623, 50765, 57226, 62744, 65320, 65780, 71852, 74152, 78430, 81224, 84916, 88040, 88660, 89815, 92690, 96844, 101246, 101530, 101959, 106145, 114452, 121055, 131560, 143065, 143704, 156860, 169832, 177320, 179630, 185380, 193688, 202492, 203060, 203918, 212290, 228904, 233519, 242110, 253115, 286130, 313720, 314743, 359260, 370760, 404984, 406120, 407836, 424580, 467038, 484220, 506230, 509795, 556853, 572260, 629486, 658099, 718520, 815672, 849160, 934076, 968440, 1012460, 1019590, 1113706, 1144520, 1167595, 1258972, 1316198, 1573715, 1868152, 2024920, 2039180, 2227412, 2335190, 2517944, 2632396, 2784265, 3147430, 3290495, 4078360, 4454824, 4670380, 5264792, 5568530, 6294860, 6580990, 7239089, 9340760, 11137060, 12589720, 13161980, 14478178, 22274120, 26323960, 28956356, 36195445, 57912712, 72390890, 144781780, 289563560]

約数ペア:

[(1, 289563560), (2, 144781780), (4, 72390890), (5, 57912712), (8, 36195445), (10, 28956356), (11, 26323960), (13, 22274120), (20, 14478178), (22, 13161980), (23, 12589720), (26, 11137060), (31, 9340760), (40, 7239089), (44, 6580990), (46, 6294860), (52, 5568530), (55, 5264792), (62, 4670380), (65, 4454824), (71, 4078360), (88, 3290495), (92, 3147430), (104, 2784265), (110, 2632396), (115, 2517944), (124, 2335190), (130, 2227412), (142, 2039180), (143, 2024920), (155, 1868152), (184, 1573715), (220, 1316198), (230, 1258972), (248, 1167595), (253, 1144520), (260, 1113706), (284, 1019590), (286, 1012460), (299, 968440), (310, 934076), (341, 849160), (355, 815672), (403, 718520), (440, 658099), (460, 629486), (506, 572260), (520, 556853), (568, 509795), (572, 506230), (598, 484220), (620, 467038), (682, 424580), (710, 407836), (713, 406120), (715, 404984), (781, 370760), (806, 359260), (920, 314743), (923, 313720), (1012, 286130), (1144, 253115), (1196, 242110), (1240, 233519), (1265, 228904), (1364, 212290), (1420, 203918), (1426, 203060), (1430, 202492), (1495, 193688), (1562, 185380), (1612, 179630), (1633, 177320), (1705, 169832), (1846, 156860), (2015, 143704), (2024, 143065), (2201, 131560), (2392, 121055), (2530, 114452), (2728, 106145), (2840, 101959), (2852, 101530), (2860, 101246), (2990, 96844), (3124, 92690), (3224, 89815), (3266, 88660), (3289, 88040), (3410, 84916), (3565, 81224), (3692, 78430), (3905, 74152), (4030, 71852), (4402, 65780), (4433, 65320), (4615, 62744), (5060, 57226), (5704, 50765), (5720, 50623), (5980, 48422), (6248, 46345), (6532, 44330), (6578, 44020), (6820, 42458), (7130, 40612), (7384, 39215), (7810, 37076), (7843, 36920), (8060, 35926), (8165, 35464), (8804, 32890), (8866, 32660), (9230, 31372), (9269, 31240), (10120, 28613), (10153, 28520), (11005, 26312), (11960, 24211), (13064, 22165), (13156, 22010), (13640, 21229), (14260, 20306), (15620, 18538), (15686, 18460), (16120, 17963), (16330, 17732), (16445, 17608)]