399628320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1352

約数の個数: 288

約数和(自身を含む): 1578201408

約数和(自身を除く): 1178573088

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, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 416, 420, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1120, 1176, 1248, 1274, 1307, 1365, 1456, 1470, 1560, 1568, 1680, 1820, 1911, 1960, 2080, 2184, 2352, 2548, 2614, 2730, 2912, 2940, 3120, 3185, 3360, 3640, 3822, 3920, 3921, 4368, 4704, 5096, 5228, 5460, 5880, 6240, 6370, 6535, 7280, 7644, 7840, 7842, 8736, 9149, 9555, 10192, 10456, 10920, 11760, 12740, 13070, 14560, 15288, 15684, 16991, 18298, 19110, 19605, 20384, 20912, 21840, 23520, 25480, 26140, 27447, 30576, 31368, 33982, 36596, 38220, 39210, 41824, 43680, 45745, 50960, 50973, 52280, 54894, 61152, 62736, 64043, 67964, 73192, 76440, 78420, 84955, 91490, 101920, 101946, 104560, 109788, 118937, 125472, 128086, 135928, 137235, 146384, 152880, 156840, 169910, 182980, 192129, 203892, 209120, 219576, 237874, 254865, 256172, 271856, 274470, 292768, 305760, 313680, 320215, 339820, 356811, 365960, 384258, 407784, 439152, 475748, 509730, 512344, 543712, 548940, 594685, 627360, 640430, 679640, 713622, 731920, 768516, 815568, 832559, 878304, 951496, 960645, 1019460, 1024688, 1097880, 1189370, 1280860, 1359280, 1427244, 1463840, 1537032, 1631136, 1665118, 1784055, 1902992, 1921290, 2038920, 2049376, 2195760, 2378740, 2497677, 2561720, 2718560, 2854488, 3074064, 3330236, 3568110, 3805984, 3842580, 4077840, 4162795, 4391520, 4757480, 4995354, 5123440, 5708976, 6148128, 6660472, 7136220, 7685160, 8155680, 8325590, 9514960, 9990708, 10246880, 11417952, 12488385, 13320944, 14272440, 15370320, 16651180, 19029920, 19981416, 24976770, 26641888, 28544880, 30740640, 33302360, 39962832, 49953540, 57089760, 66604720, 79925664, 99907080, 133209440, 199814160, 399628320]

約数ペア:

[(1, 399628320), (2, 199814160), (3, 133209440), (4, 99907080), (5, 79925664), (6, 66604720), (7, 57089760), (8, 49953540), (10, 39962832), (12, 33302360), (13, 30740640), (14, 28544880), (15, 26641888), (16, 24976770), (20, 19981416), (21, 19029920), (24, 16651180), (26, 15370320), (28, 14272440), (30, 13320944), (32, 12488385), (35, 11417952), (39, 10246880), (40, 9990708), (42, 9514960), (48, 8325590), (49, 8155680), (52, 7685160), (56, 7136220), (60, 6660472), (65, 6148128), (70, 5708976), (78, 5123440), (80, 4995354), (84, 4757480), (91, 4391520), (96, 4162795), (98, 4077840), (104, 3842580), (105, 3805984), (112, 3568110), (120, 3330236), (130, 3074064), (140, 2854488), (147, 2718560), (156, 2561720), (160, 2497677), (168, 2378740), (182, 2195760), (195, 2049376), (196, 2038920), (208, 1921290), (210, 1902992), (224, 1784055), (240, 1665118), (245, 1631136), (260, 1537032), (273, 1463840), (280, 1427244), (294, 1359280), (312, 1280860), (336, 1189370), (364, 1097880), (390, 1024688), (392, 1019460), (416, 960645), (420, 951496), (455, 878304), (480, 832559), (490, 815568), (520, 768516), (546, 731920), (560, 713622), (588, 679640), (624, 640430), (637, 627360), (672, 594685), (728, 548940), (735, 543712), (780, 512344), (784, 509730), (840, 475748), (910, 439152), (980, 407784), (1040, 384258), (1092, 365960), (1120, 356811), (1176, 339820), (1248, 320215), (1274, 313680), (1307, 305760), (1365, 292768), (1456, 274470), (1470, 271856), (1560, 256172), (1568, 254865), (1680, 237874), (1820, 219576), (1911, 209120), (1960, 203892), (2080, 192129), (2184, 182980), (2352, 169910), (2548, 156840), (2614, 152880), (2730, 146384), (2912, 137235), (2940, 135928), (3120, 128086), (3185, 125472), (3360, 118937), (3640, 109788), (3822, 104560), (3920, 101946), (3921, 101920), (4368, 91490), (4704, 84955), (5096, 78420), (5228, 76440), (5460, 73192), (5880, 67964), (6240, 64043), (6370, 62736), (6535, 61152), (7280, 54894), (7644, 52280), (7840, 50973), (7842, 50960), (8736, 45745), (9149, 43680), (9555, 41824), (10192, 39210), (10456, 38220), (10920, 36596), (11760, 33982), (12740, 31368), (13070, 30576), (14560, 27447), (15288, 26140), (15684, 25480), (16991, 23520), (18298, 21840), (19110, 20912), (19605, 20384)]