1380462720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7901}}^1$

素因数の和:7943

約数の個数: 256

約数和(自身を含む): 5416346880

約数和(自身を除く): 4035884160

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, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 640, 672, 728, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1664, 1680, 1820, 1920, 2080, 2184, 2240, 2496, 2688, 2730, 2912, 3120, 3360, 3640, 4160, 4368, 4480, 4992, 5460, 5824, 6240, 6720, 7280, 7901, 8320, 8736, 10920, 11648, 12480, 13440, 14560, 15802, 17472, 21840, 23703, 24960, 29120, 31604, 34944, 39505, 43680, 47406, 55307, 58240, 63208, 79010, 87360, 94812, 102713, 110614, 118515, 126416, 158020, 165921, 174720, 189624, 205426, 221228, 237030, 252832, 276535, 308139, 316040, 331842, 379248, 410852, 442456, 474060, 505664, 513565, 553070, 616278, 632080, 663684, 718991, 758496, 821704, 829605, 884912, 948120, 1011328, 1027130, 1106140, 1232556, 1264160, 1327368, 1437982, 1516992, 1540695, 1643408, 1659210, 1769824, 1896240, 2054260, 2156973, 2212280, 2465112, 2528320, 2654736, 2875964, 3033984, 3081390, 3286816, 3318420, 3539648, 3594955, 3792480, 4108520, 4313946, 4424560, 4930224, 5056640, 5309472, 5751928, 6162780, 6573632, 6636840, 7079296, 7189910, 7584960, 8217040, 8627892, 8849120, 9860448, 10618944, 10784865, 11503856, 12325560, 13147264, 13273680, 14379820, 15169920, 16434080, 17255784, 17698240, 19720896, 21237888, 21569730, 23007712, 24651120, 26547360, 28759640, 32868160, 34511568, 35396480, 39441792, 43139460, 46015424, 49302240, 53094720, 57519280, 65736320, 69023136, 86278920, 92030848, 98604480, 106189440, 115038560, 138046272, 172557840, 197208960, 230077120, 276092544, 345115680, 460154240, 690231360, 1380462720]

約数ペア:

[(1, 1380462720), (2, 690231360), (3, 460154240), (4, 345115680), (5, 276092544), (6, 230077120), (7, 197208960), (8, 172557840), (10, 138046272), (12, 115038560), (13, 106189440), (14, 98604480), (15, 92030848), (16, 86278920), (20, 69023136), (21, 65736320), (24, 57519280), (26, 53094720), (28, 49302240), (30, 46015424), (32, 43139460), (35, 39441792), (39, 35396480), (40, 34511568), (42, 32868160), (48, 28759640), (52, 26547360), (56, 24651120), (60, 23007712), (64, 21569730), (65, 21237888), (70, 19720896), (78, 17698240), (80, 17255784), (84, 16434080), (91, 15169920), (96, 14379820), (104, 13273680), (105, 13147264), (112, 12325560), (120, 11503856), (128, 10784865), (130, 10618944), (140, 9860448), (156, 8849120), (160, 8627892), (168, 8217040), (182, 7584960), (192, 7189910), (195, 7079296), (208, 6636840), (210, 6573632), (224, 6162780), (240, 5751928), (260, 5309472), (273, 5056640), (280, 4930224), (312, 4424560), (320, 4313946), (336, 4108520), (364, 3792480), (384, 3594955), (390, 3539648), (416, 3318420), (420, 3286816), (448, 3081390), (455, 3033984), (480, 2875964), (520, 2654736), (546, 2528320), (560, 2465112), (624, 2212280), (640, 2156973), (672, 2054260), (728, 1896240), (780, 1769824), (832, 1659210), (840, 1643408), (896, 1540695), (910, 1516992), (960, 1437982), (1040, 1327368), (1092, 1264160), (1120, 1232556), (1248, 1106140), (1344, 1027130), (1365, 1011328), (1456, 948120), (1560, 884912), (1664, 829605), (1680, 821704), (1820, 758496), (1920, 718991), (2080, 663684), (2184, 632080), (2240, 616278), (2496, 553070), (2688, 513565), (2730, 505664), (2912, 474060), (3120, 442456), (3360, 410852), (3640, 379248), (4160, 331842), (4368, 316040), (4480, 308139), (4992, 276535), (5460, 252832), (5824, 237030), (6240, 221228), (6720, 205426), (7280, 189624), (7901, 174720), (8320, 165921), (8736, 158020), (10920, 126416), (11648, 118515), (12480, 110614), (13440, 102713), (14560, 94812), (15802, 87360), (17472, 79010), (21840, 63208), (23703, 58240), (24960, 55307), (29120, 47406), (31604, 43680), (34944, 39505)]