15550080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 61689600

約数和(自身を除く): 46139520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 89, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 178, 182, 192, 195, 208, 210, 224, 240, 260, 267, 273, 280, 312, 320, 336, 356, 364, 384, 390, 416, 420, 445, 448, 455, 480, 520, 534, 546, 560, 623, 624, 640, 672, 712, 728, 780, 832, 840, 890, 896, 910, 960, 1040, 1068, 1092, 1120, 1157, 1246, 1248, 1335, 1344, 1365, 1424, 1456, 1560, 1664, 1680, 1780, 1820, 1869, 1920, 2080, 2136, 2184, 2240, 2314, 2492, 2496, 2670, 2688, 2730, 2848, 2912, 3115, 3120, 3360, 3471, 3560, 3640, 3738, 4160, 4272, 4368, 4480, 4628, 4984, 4992, 5340, 5460, 5696, 5785, 5824, 6230, 6240, 6720, 6942, 7120, 7280, 7476, 8099, 8320, 8544, 8736, 9256, 9345, 9968, 10680, 10920, 11392, 11570, 11648, 12460, 12480, 13440, 13884, 14240, 14560, 14952, 16198, 17088, 17355, 17472, 18512, 18690, 19936, 21360, 21840, 23140, 24297, 24920, 24960, 27768, 28480, 29120, 29904, 32396, 34176, 34710, 34944, 37024, 37380, 39872, 40495, 42720, 43680, 46280, 48594, 49840, 55536, 56960, 58240, 59808, 64792, 69420, 74048, 74760, 79744, 80990, 85440, 87360, 92560, 97188, 99680, 111072, 119616, 121485, 129584, 138840, 148096, 149520, 161980, 170880, 174720, 185120, 194376, 199360, 222144, 239232, 242970, 259168, 277680, 299040, 323960, 370240, 388752, 398720, 444288, 485940, 518336, 555360, 598080, 647920, 740480, 777504, 971880, 1036672, 1110720, 1196160, 1295840, 1555008, 1943760, 2221440, 2591680, 3110016, 3887520, 5183360, 7775040, 15550080]

約数ペア:

[(1, 15550080), (2, 7775040), (3, 5183360), (4, 3887520), (5, 3110016), (6, 2591680), (7, 2221440), (8, 1943760), (10, 1555008), (12, 1295840), (13, 1196160), (14, 1110720), (15, 1036672), (16, 971880), (20, 777504), (21, 740480), (24, 647920), (26, 598080), (28, 555360), (30, 518336), (32, 485940), (35, 444288), (39, 398720), (40, 388752), (42, 370240), (48, 323960), (52, 299040), (56, 277680), (60, 259168), (64, 242970), (65, 239232), (70, 222144), (78, 199360), (80, 194376), (84, 185120), (89, 174720), (91, 170880), (96, 161980), (104, 149520), (105, 148096), (112, 138840), (120, 129584), (128, 121485), (130, 119616), (140, 111072), (156, 99680), (160, 97188), (168, 92560), (178, 87360), (182, 85440), (192, 80990), (195, 79744), (208, 74760), (210, 74048), (224, 69420), (240, 64792), (260, 59808), (267, 58240), (273, 56960), (280, 55536), (312, 49840), (320, 48594), (336, 46280), (356, 43680), (364, 42720), (384, 40495), (390, 39872), (416, 37380), (420, 37024), (445, 34944), (448, 34710), (455, 34176), (480, 32396), (520, 29904), (534, 29120), (546, 28480), (560, 27768), (623, 24960), (624, 24920), (640, 24297), (672, 23140), (712, 21840), (728, 21360), (780, 19936), (832, 18690), (840, 18512), (890, 17472), (896, 17355), (910, 17088), (960, 16198), (1040, 14952), (1068, 14560), (1092, 14240), (1120, 13884), (1157, 13440), (1246, 12480), (1248, 12460), (1335, 11648), (1344, 11570), (1365, 11392), (1424, 10920), (1456, 10680), (1560, 9968), (1664, 9345), (1680, 9256), (1780, 8736), (1820, 8544), (1869, 8320), (1920, 8099), (2080, 7476), (2136, 7280), (2184, 7120), (2240, 6942), (2314, 6720), (2492, 6240), (2496, 6230), (2670, 5824), (2688, 5785), (2730, 5696), (2848, 5460), (2912, 5340), (3115, 4992), (3120, 4984), (3360, 4628), (3471, 4480), (3560, 4368), (3640, 4272), (3738, 4160)]