28508480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 224

約数和(自身を含む): 92171520

約数和(自身を除く): 63663040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 89, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 178, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 356, 364, 385, 416, 440, 445, 448, 455, 520, 560, 572, 616, 623, 704, 712, 715, 728, 770, 832, 880, 890, 910, 979, 1001, 1040, 1120, 1144, 1157, 1232, 1246, 1424, 1430, 1456, 1540, 1760, 1780, 1820, 1958, 2002, 2080, 2240, 2288, 2314, 2464, 2492, 2848, 2860, 2912, 3080, 3115, 3520, 3560, 3640, 3916, 4004, 4160, 4576, 4628, 4895, 4928, 4984, 5005, 5696, 5720, 5785, 5824, 6160, 6230, 6853, 7120, 7280, 7832, 8008, 8099, 9152, 9256, 9790, 9968, 10010, 11440, 11570, 12320, 12460, 12727, 13706, 14240, 14560, 15664, 16016, 16198, 18512, 19580, 19936, 20020, 22880, 23140, 24640, 24920, 25454, 27412, 28480, 29120, 31328, 32032, 32396, 34265, 37024, 39160, 39872, 40040, 40495, 45760, 46280, 49840, 50908, 54824, 62656, 63635, 64064, 64792, 68530, 74048, 78320, 80080, 80990, 89089, 92560, 99680, 101816, 109648, 127270, 129584, 137060, 156640, 160160, 161980, 178178, 185120, 199360, 203632, 219296, 254540, 259168, 274120, 313280, 320320, 323960, 356356, 370240, 407264, 438592, 445445, 509080, 518336, 548240, 647920, 712712, 814528, 890890, 1018160, 1096480, 1295840, 1425424, 1781780, 2036320, 2192960, 2591680, 2850848, 3563560, 4072640, 5701696, 7127120, 14254240, 28508480]

約数ペア:

[(1, 28508480), (2, 14254240), (4, 7127120), (5, 5701696), (7, 4072640), (8, 3563560), (10, 2850848), (11, 2591680), (13, 2192960), (14, 2036320), (16, 1781780), (20, 1425424), (22, 1295840), (26, 1096480), (28, 1018160), (32, 890890), (35, 814528), (40, 712712), (44, 647920), (52, 548240), (55, 518336), (56, 509080), (64, 445445), (65, 438592), (70, 407264), (77, 370240), (80, 356356), (88, 323960), (89, 320320), (91, 313280), (104, 274120), (110, 259168), (112, 254540), (130, 219296), (140, 203632), (143, 199360), (154, 185120), (160, 178178), (176, 161980), (178, 160160), (182, 156640), (208, 137060), (220, 129584), (224, 127270), (260, 109648), (280, 101816), (286, 99680), (308, 92560), (320, 89089), (352, 80990), (356, 80080), (364, 78320), (385, 74048), (416, 68530), (440, 64792), (445, 64064), (448, 63635), (455, 62656), (520, 54824), (560, 50908), (572, 49840), (616, 46280), (623, 45760), (704, 40495), (712, 40040), (715, 39872), (728, 39160), (770, 37024), (832, 34265), (880, 32396), (890, 32032), (910, 31328), (979, 29120), (1001, 28480), (1040, 27412), (1120, 25454), (1144, 24920), (1157, 24640), (1232, 23140), (1246, 22880), (1424, 20020), (1430, 19936), (1456, 19580), (1540, 18512), (1760, 16198), (1780, 16016), (1820, 15664), (1958, 14560), (2002, 14240), (2080, 13706), (2240, 12727), (2288, 12460), (2314, 12320), (2464, 11570), (2492, 11440), (2848, 10010), (2860, 9968), (2912, 9790), (3080, 9256), (3115, 9152), (3520, 8099), (3560, 8008), (3640, 7832), (3916, 7280), (4004, 7120), (4160, 6853), (4576, 6230), (4628, 6160), (4895, 5824), (4928, 5785), (4984, 5720), (5005, 5696)]