128705280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{277}}^1$

素因数の和:323

約数の個数: 216

約数和(自身を含む): 453449136

約数和(自身を除く): 324743856

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, 256, 264, 277, 320, 330, 352, 363, 384, 440, 480, 484, 528, 554, 605, 640, 660, 704, 726, 768, 831, 880, 960, 968, 1056, 1108, 1210, 1280, 1320, 1385, 1408, 1452, 1662, 1760, 1815, 1920, 1936, 2112, 2216, 2420, 2640, 2770, 2816, 2904, 3047, 3324, 3520, 3630, 3840, 3872, 4155, 4224, 4432, 4840, 5280, 5540, 5808, 6094, 6648, 7040, 7260, 7744, 8310, 8448, 8864, 9141, 9680, 10560, 11080, 11616, 12188, 13296, 14080, 14520, 15235, 15488, 16620, 17728, 18282, 19360, 21120, 22160, 23232, 24376, 26592, 29040, 30470, 30976, 33240, 33517, 35456, 36564, 38720, 42240, 44320, 45705, 46464, 48752, 53184, 58080, 60940, 66480, 67034, 70912, 73128, 77440, 88640, 91410, 92928, 97504, 100551, 106368, 116160, 121880, 132960, 134068, 146256, 154880, 167585, 177280, 182820, 195008, 201102, 212736, 232320, 243760, 265920, 268136, 292512, 335170, 354560, 365640, 390016, 402204, 464640, 487520, 502755, 531840, 536272, 585024, 670340, 731280, 780032, 804408, 975040, 1005510, 1063680, 1072544, 1170048, 1340680, 1462560, 1608816, 1950080, 2011020, 2145088, 2340096, 2681360, 2925120, 3217632, 3900160, 4022040, 4290176, 5362720, 5850240, 6435264, 8044080, 8580352, 10725440, 11700480, 12870528, 16088160, 21450880, 25741056, 32176320, 42901760, 64352640, 128705280]

約数ペア:

[(1, 128705280), (2, 64352640), (3, 42901760), (4, 32176320), (5, 25741056), (6, 21450880), (8, 16088160), (10, 12870528), (11, 11700480), (12, 10725440), (15, 8580352), (16, 8044080), (20, 6435264), (22, 5850240), (24, 5362720), (30, 4290176), (32, 4022040), (33, 3900160), (40, 3217632), (44, 2925120), (48, 2681360), (55, 2340096), (60, 2145088), (64, 2011020), (66, 1950080), (80, 1608816), (88, 1462560), (96, 1340680), (110, 1170048), (120, 1072544), (121, 1063680), (128, 1005510), (132, 975040), (160, 804408), (165, 780032), (176, 731280), (192, 670340), (220, 585024), (240, 536272), (242, 531840), (256, 502755), (264, 487520), (277, 464640), (320, 402204), (330, 390016), (352, 365640), (363, 354560), (384, 335170), (440, 292512), (480, 268136), (484, 265920), (528, 243760), (554, 232320), (605, 212736), (640, 201102), (660, 195008), (704, 182820), (726, 177280), (768, 167585), (831, 154880), (880, 146256), (960, 134068), (968, 132960), (1056, 121880), (1108, 116160), (1210, 106368), (1280, 100551), (1320, 97504), (1385, 92928), (1408, 91410), (1452, 88640), (1662, 77440), (1760, 73128), (1815, 70912), (1920, 67034), (1936, 66480), (2112, 60940), (2216, 58080), (2420, 53184), (2640, 48752), (2770, 46464), (2816, 45705), (2904, 44320), (3047, 42240), (3324, 38720), (3520, 36564), (3630, 35456), (3840, 33517), (3872, 33240), (4155, 30976), (4224, 30470), (4432, 29040), (4840, 26592), (5280, 24376), (5540, 23232), (5808, 22160), (6094, 21120), (6648, 19360), (7040, 18282), (7260, 17728), (7744, 16620), (8310, 15488), (8448, 15235), (8864, 14520), (9141, 14080), (9680, 13296), (10560, 12188), (11080, 11616)]