256323960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:667

約数の個数: 256

約数和(自身を含む): 945561600

約数和(自身を除く): 689237640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 23, 24, 27, 30, 34, 36, 40, 45, 46, 51, 54, 60, 68, 69, 72, 85, 90, 92, 102, 108, 115, 120, 135, 136, 138, 153, 170, 180, 184, 204, 207, 216, 230, 255, 270, 276, 306, 340, 345, 360, 391, 408, 414, 459, 460, 510, 540, 552, 607, 612, 621, 680, 690, 765, 782, 828, 918, 920, 1020, 1035, 1080, 1173, 1214, 1224, 1242, 1380, 1530, 1564, 1656, 1821, 1836, 1955, 2040, 2070, 2295, 2346, 2428, 2484, 2760, 3035, 3060, 3105, 3128, 3519, 3642, 3672, 3910, 4140, 4590, 4692, 4856, 4968, 5463, 5865, 6070, 6120, 6210, 7038, 7284, 7820, 8280, 9105, 9180, 9384, 10319, 10557, 10926, 11730, 12140, 12420, 13961, 14076, 14568, 15640, 16389, 17595, 18210, 18360, 20638, 21114, 21852, 23460, 24280, 24840, 27315, 27922, 28152, 30957, 32778, 35190, 36420, 41276, 41883, 42228, 43704, 46920, 51595, 52785, 54630, 55844, 61914, 65556, 69805, 70380, 72840, 81945, 82552, 83766, 84456, 92871, 103190, 105570, 109260, 111688, 123828, 125649, 131112, 139610, 140760, 154785, 163890, 167532, 185742, 206380, 209415, 211140, 218520, 237337, 247656, 251298, 278613, 279220, 309570, 327780, 335064, 371484, 376947, 412760, 418830, 422280, 464355, 474674, 502596, 557226, 558440, 619140, 628245, 655560, 712011, 742968, 753894, 837660, 928710, 949348, 1005192, 1114452, 1186685, 1238280, 1256490, 1393065, 1424022, 1507788, 1675320, 1857420, 1884735, 1898696, 2136033, 2228904, 2373370, 2512980, 2786130, 2848044, 3015576, 3560055, 3714840, 3769470, 4272066, 4746740, 5025960, 5572260, 5696088, 6408099, 7120110, 7538940, 8544132, 9493480, 10680165, 11144520, 12816198, 14240220, 15077880, 17088264, 21360330, 25632396, 28480440, 32040495, 42720660, 51264792, 64080990, 85441320, 128161980, 256323960]

約数ペア:

[(1, 256323960), (2, 128161980), (3, 85441320), (4, 64080990), (5, 51264792), (6, 42720660), (8, 32040495), (9, 28480440), (10, 25632396), (12, 21360330), (15, 17088264), (17, 15077880), (18, 14240220), (20, 12816198), (23, 11144520), (24, 10680165), (27, 9493480), (30, 8544132), (34, 7538940), (36, 7120110), (40, 6408099), (45, 5696088), (46, 5572260), (51, 5025960), (54, 4746740), (60, 4272066), (68, 3769470), (69, 3714840), (72, 3560055), (85, 3015576), (90, 2848044), (92, 2786130), (102, 2512980), (108, 2373370), (115, 2228904), (120, 2136033), (135, 1898696), (136, 1884735), (138, 1857420), (153, 1675320), (170, 1507788), (180, 1424022), (184, 1393065), (204, 1256490), (207, 1238280), (216, 1186685), (230, 1114452), (255, 1005192), (270, 949348), (276, 928710), (306, 837660), (340, 753894), (345, 742968), (360, 712011), (391, 655560), (408, 628245), (414, 619140), (459, 558440), (460, 557226), (510, 502596), (540, 474674), (552, 464355), (607, 422280), (612, 418830), (621, 412760), (680, 376947), (690, 371484), (765, 335064), (782, 327780), (828, 309570), (918, 279220), (920, 278613), (1020, 251298), (1035, 247656), (1080, 237337), (1173, 218520), (1214, 211140), (1224, 209415), (1242, 206380), (1380, 185742), (1530, 167532), (1564, 163890), (1656, 154785), (1821, 140760), (1836, 139610), (1955, 131112), (2040, 125649), (2070, 123828), (2295, 111688), (2346, 109260), (2428, 105570), (2484, 103190), (2760, 92871), (3035, 84456), (3060, 83766), (3105, 82552), (3128, 81945), (3519, 72840), (3642, 70380), (3672, 69805), (3910, 65556), (4140, 61914), (4590, 55844), (4692, 54630), (4856, 52785), (4968, 51595), (5463, 46920), (5865, 43704), (6070, 42228), (6120, 41883), (6210, 41276), (7038, 36420), (7284, 35190), (7820, 32778), (8280, 30957), (9105, 28152), (9180, 27922), (9384, 27315), (10319, 24840), (10557, 24280), (10926, 23460), (11730, 21852), (12140, 21114), (12420, 20638), (13961, 18360), (14076, 18210), (14568, 17595), (15640, 16389)]