256248960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1103}}^1$

素因数の和:1147

約数の個数: 192

約数和(自身を含む): 898611840

約数和(自身を除く): 642362880

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, 128, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 384, 440, 480, 484, 528, 605, 640, 660, 704, 726, 880, 960, 968, 1056, 1103, 1210, 1320, 1408, 1452, 1760, 1815, 1920, 1936, 2112, 2206, 2420, 2640, 2904, 3309, 3520, 3630, 3872, 4224, 4412, 4840, 5280, 5515, 5808, 6618, 7040, 7260, 7744, 8824, 9680, 10560, 11030, 11616, 12133, 13236, 14520, 15488, 16545, 17648, 19360, 21120, 22060, 23232, 24266, 26472, 29040, 33090, 35296, 36399, 38720, 44120, 46464, 48532, 52944, 58080, 60665, 66180, 70592, 72798, 77440, 88240, 97064, 105888, 116160, 121330, 132360, 133463, 141184, 145596, 176480, 181995, 194128, 211776, 232320, 242660, 264720, 266926, 291192, 352960, 363990, 388256, 400389, 423552, 485320, 529440, 533852, 582384, 667315, 705920, 727980, 776512, 800778, 970640, 1058880, 1067704, 1164768, 1334630, 1455960, 1553024, 1601556, 1941280, 2001945, 2117760, 2135408, 2329536, 2669260, 2911920, 3203112, 3882560, 4003890, 4270816, 4659072, 5338520, 5823840, 6406224, 7765120, 8007780, 8541632, 10677040, 11647680, 12812448, 16015560, 17083264, 21354080, 23295360, 25624896, 32031120, 42708160, 51249792, 64062240, 85416320, 128124480, 256248960]

約数ペア:

[(1, 256248960), (2, 128124480), (3, 85416320), (4, 64062240), (5, 51249792), (6, 42708160), (8, 32031120), (10, 25624896), (11, 23295360), (12, 21354080), (15, 17083264), (16, 16015560), (20, 12812448), (22, 11647680), (24, 10677040), (30, 8541632), (32, 8007780), (33, 7765120), (40, 6406224), (44, 5823840), (48, 5338520), (55, 4659072), (60, 4270816), (64, 4003890), (66, 3882560), (80, 3203112), (88, 2911920), (96, 2669260), (110, 2329536), (120, 2135408), (121, 2117760), (128, 2001945), (132, 1941280), (160, 1601556), (165, 1553024), (176, 1455960), (192, 1334630), (220, 1164768), (240, 1067704), (242, 1058880), (264, 970640), (320, 800778), (330, 776512), (352, 727980), (363, 705920), (384, 667315), (440, 582384), (480, 533852), (484, 529440), (528, 485320), (605, 423552), (640, 400389), (660, 388256), (704, 363990), (726, 352960), (880, 291192), (960, 266926), (968, 264720), (1056, 242660), (1103, 232320), (1210, 211776), (1320, 194128), (1408, 181995), (1452, 176480), (1760, 145596), (1815, 141184), (1920, 133463), (1936, 132360), (2112, 121330), (2206, 116160), (2420, 105888), (2640, 97064), (2904, 88240), (3309, 77440), (3520, 72798), (3630, 70592), (3872, 66180), (4224, 60665), (4412, 58080), (4840, 52944), (5280, 48532), (5515, 46464), (5808, 44120), (6618, 38720), (7040, 36399), (7260, 35296), (7744, 33090), (8824, 29040), (9680, 26472), (10560, 24266), (11030, 23232), (11616, 22060), (12133, 21120), (13236, 19360), (14520, 17648), (15488, 16545)]