4280640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 224

約数和(自身を含む): 17068800

約数和(自身を除く): 12788160

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, 64, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 192, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 320, 336, 343, 364, 390, 392, 416, 420, 448, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 686, 728, 735, 780, 784, 832, 840, 910, 960, 980, 1029, 1040, 1092, 1120, 1176, 1248, 1274, 1344, 1365, 1372, 1456, 1470, 1560, 1568, 1680, 1715, 1820, 1911, 1960, 2058, 2080, 2184, 2240, 2352, 2496, 2548, 2730, 2744, 2912, 2940, 3120, 3136, 3185, 3360, 3430, 3640, 3822, 3920, 4116, 4160, 4368, 4459, 4704, 5096, 5145, 5460, 5488, 5824, 5880, 6240, 6370, 6720, 6860, 7280, 7644, 7840, 8232, 8736, 8918, 9408, 9555, 10192, 10290, 10920, 10976, 11760, 12480, 12740, 13377, 13720, 14560, 15288, 15680, 16464, 17472, 17836, 19110, 20384, 20580, 21840, 21952, 22295, 23520, 25480, 26754, 27440, 29120, 30576, 32928, 35672, 38220, 40768, 41160, 43680, 44590, 47040, 50960, 53508, 54880, 61152, 65856, 66885, 71344, 76440, 82320, 87360, 89180, 101920, 107016, 109760, 122304, 133770, 142688, 152880, 164640, 178360, 203840, 214032, 267540, 285376, 305760, 329280, 356720, 428064, 535080, 611520, 713440, 856128, 1070160, 1426880, 2140320, 4280640]

約数ペア:

[(1, 4280640), (2, 2140320), (3, 1426880), (4, 1070160), (5, 856128), (6, 713440), (7, 611520), (8, 535080), (10, 428064), (12, 356720), (13, 329280), (14, 305760), (15, 285376), (16, 267540), (20, 214032), (21, 203840), (24, 178360), (26, 164640), (28, 152880), (30, 142688), (32, 133770), (35, 122304), (39, 109760), (40, 107016), (42, 101920), (48, 89180), (49, 87360), (52, 82320), (56, 76440), (60, 71344), (64, 66885), (65, 65856), (70, 61152), (78, 54880), (80, 53508), (84, 50960), (91, 47040), (96, 44590), (98, 43680), (104, 41160), (105, 40768), (112, 38220), (120, 35672), (130, 32928), (140, 30576), (147, 29120), (156, 27440), (160, 26754), (168, 25480), (182, 23520), (192, 22295), (195, 21952), (196, 21840), (208, 20580), (210, 20384), (224, 19110), (240, 17836), (245, 17472), (260, 16464), (273, 15680), (280, 15288), (294, 14560), (312, 13720), (320, 13377), (336, 12740), (343, 12480), (364, 11760), (390, 10976), (392, 10920), (416, 10290), (420, 10192), (448, 9555), (455, 9408), (480, 8918), (490, 8736), (520, 8232), (546, 7840), (560, 7644), (588, 7280), (624, 6860), (637, 6720), (672, 6370), (686, 6240), (728, 5880), (735, 5824), (780, 5488), (784, 5460), (832, 5145), (840, 5096), (910, 4704), (960, 4459), (980, 4368), (1029, 4160), (1040, 4116), (1092, 3920), (1120, 3822), (1176, 3640), (1248, 3430), (1274, 3360), (1344, 3185), (1365, 3136), (1372, 3120), (1456, 2940), (1470, 2912), (1560, 2744), (1568, 2730), (1680, 2548), (1715, 2496), (1820, 2352), (1911, 2240), (1960, 2184), (2058, 2080)]