128715360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 431101440

約数和(自身を除く): 302386080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 89, 92, 96, 115, 120, 131, 138, 160, 178, 184, 230, 240, 262, 267, 276, 345, 356, 368, 393, 445, 460, 480, 524, 534, 552, 655, 690, 712, 736, 786, 890, 920, 1048, 1068, 1104, 1310, 1335, 1380, 1424, 1572, 1780, 1840, 1965, 2047, 2096, 2136, 2208, 2620, 2670, 2760, 2848, 3013, 3144, 3560, 3680, 3930, 4094, 4192, 4272, 5240, 5340, 5520, 6026, 6141, 6288, 7120, 7860, 8188, 8544, 9039, 10235, 10480, 10680, 11040, 11659, 12052, 12282, 12576, 14240, 15065, 15720, 16376, 18078, 20470, 20960, 21360, 23318, 24104, 24564, 30130, 30705, 31440, 32752, 34977, 36156, 40940, 42720, 45195, 46636, 48208, 49128, 58295, 60260, 61410, 62880, 65504, 69954, 72312, 81880, 90390, 93272, 96416, 98256, 116590, 120520, 122820, 139908, 144624, 163760, 174885, 180780, 186544, 196512, 233180, 241040, 245640, 268157, 279816, 289248, 327520, 349770, 361560, 373088, 466360, 482080, 491280, 536314, 559632, 699540, 723120, 804471, 932720, 982560, 1072628, 1119264, 1340785, 1399080, 1446240, 1608942, 1865440, 2145256, 2681570, 2798160, 3217884, 4022355, 4290512, 5363140, 5596320, 6435768, 8044710, 8581024, 10726280, 12871536, 16089420, 21452560, 25743072, 32178840, 42905120, 64357680, 128715360]

約数ペア:

[(1, 128715360), (2, 64357680), (3, 42905120), (4, 32178840), (5, 25743072), (6, 21452560), (8, 16089420), (10, 12871536), (12, 10726280), (15, 8581024), (16, 8044710), (20, 6435768), (23, 5596320), (24, 5363140), (30, 4290512), (32, 4022355), (40, 3217884), (46, 2798160), (48, 2681570), (60, 2145256), (69, 1865440), (80, 1608942), (89, 1446240), (92, 1399080), (96, 1340785), (115, 1119264), (120, 1072628), (131, 982560), (138, 932720), (160, 804471), (178, 723120), (184, 699540), (230, 559632), (240, 536314), (262, 491280), (267, 482080), (276, 466360), (345, 373088), (356, 361560), (368, 349770), (393, 327520), (445, 289248), (460, 279816), (480, 268157), (524, 245640), (534, 241040), (552, 233180), (655, 196512), (690, 186544), (712, 180780), (736, 174885), (786, 163760), (890, 144624), (920, 139908), (1048, 122820), (1068, 120520), (1104, 116590), (1310, 98256), (1335, 96416), (1380, 93272), (1424, 90390), (1572, 81880), (1780, 72312), (1840, 69954), (1965, 65504), (2047, 62880), (2096, 61410), (2136, 60260), (2208, 58295), (2620, 49128), (2670, 48208), (2760, 46636), (2848, 45195), (3013, 42720), (3144, 40940), (3560, 36156), (3680, 34977), (3930, 32752), (4094, 31440), (4192, 30705), (4272, 30130), (5240, 24564), (5340, 24104), (5520, 23318), (6026, 21360), (6141, 20960), (6288, 20470), (7120, 18078), (7860, 16376), (8188, 15720), (8544, 15065), (9039, 14240), (10235, 12576), (10480, 12282), (10680, 12052), (11040, 11659)]