2681280

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 252

約数和(自身を含む): 11292840

約数和(自身を除く): 8611560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 98, 105, 112, 114, 120, 126, 133, 140, 144, 147, 152, 160, 168, 171, 180, 190, 192, 196, 210, 224, 228, 240, 245, 252, 266, 280, 285, 288, 294, 304, 315, 320, 336, 342, 360, 380, 392, 399, 420, 441, 448, 456, 480, 490, 504, 532, 560, 570, 576, 588, 608, 630, 665, 672, 684, 720, 735, 760, 784, 798, 840, 855, 882, 912, 931, 960, 980, 1008, 1064, 1120, 1140, 1176, 1197, 1216, 1260, 1330, 1344, 1368, 1440, 1470, 1520, 1568, 1596, 1680, 1710, 1764, 1824, 1862, 1960, 1995, 2016, 2128, 2205, 2240, 2280, 2352, 2394, 2520, 2660, 2736, 2793, 2880, 2940, 3040, 3136, 3192, 3360, 3420, 3528, 3648, 3724, 3920, 3990, 4032, 4256, 4410, 4560, 4655, 4704, 4788, 5040, 5320, 5472, 5586, 5880, 5985, 6080, 6384, 6720, 6840, 7056, 7448, 7840, 7980, 8379, 8512, 8820, 9120, 9310, 9408, 9576, 10080, 10640, 10944, 11172, 11760, 11970, 12768, 13680, 13965, 14112, 14896, 15680, 15960, 16758, 17640, 18240, 18620, 19152, 20160, 21280, 22344, 23520, 23940, 25536, 27360, 27930, 28224, 29792, 31920, 33516, 35280, 37240, 38304, 41895, 42560, 44688, 47040, 47880, 54720, 55860, 59584, 63840, 67032, 70560, 74480, 76608, 83790, 89376, 95760, 111720, 127680, 134064, 141120, 148960, 167580, 178752, 191520, 223440, 268128, 297920, 335160, 383040, 446880, 536256, 670320, 893760, 1340640, 2681280]

約数ペア:

[(1, 2681280), (2, 1340640), (3, 893760), (4, 670320), (5, 536256), (6, 446880), (7, 383040), (8, 335160), (9, 297920), (10, 268128), (12, 223440), (14, 191520), (15, 178752), (16, 167580), (18, 148960), (19, 141120), (20, 134064), (21, 127680), (24, 111720), (28, 95760), (30, 89376), (32, 83790), (35, 76608), (36, 74480), (38, 70560), (40, 67032), (42, 63840), (45, 59584), (48, 55860), (49, 54720), (56, 47880), (57, 47040), (60, 44688), (63, 42560), (64, 41895), (70, 38304), (72, 37240), (76, 35280), (80, 33516), (84, 31920), (90, 29792), (95, 28224), (96, 27930), (98, 27360), (105, 25536), (112, 23940), (114, 23520), (120, 22344), (126, 21280), (133, 20160), (140, 19152), (144, 18620), (147, 18240), (152, 17640), (160, 16758), (168, 15960), (171, 15680), (180, 14896), (190, 14112), (192, 13965), (196, 13680), (210, 12768), (224, 11970), (228, 11760), (240, 11172), (245, 10944), (252, 10640), (266, 10080), (280, 9576), (285, 9408), (288, 9310), (294, 9120), (304, 8820), (315, 8512), (320, 8379), (336, 7980), (342, 7840), (360, 7448), (380, 7056), (392, 6840), (399, 6720), (420, 6384), (441, 6080), (448, 5985), (456, 5880), (480, 5586), (490, 5472), (504, 5320), (532, 5040), (560, 4788), (570, 4704), (576, 4655), (588, 4560), (608, 4410), (630, 4256), (665, 4032), (672, 3990), (684, 3920), (720, 3724), (735, 3648), (760, 3528), (784, 3420), (798, 3360), (840, 3192), (855, 3136), (882, 3040), (912, 2940), (931, 2880), (960, 2793), (980, 2736), (1008, 2660), (1064, 2520), (1120, 2394), (1140, 2352), (1176, 2280), (1197, 2240), (1216, 2205), (1260, 2128), (1330, 2016), (1344, 1995), (1368, 1960), (1440, 1862), (1470, 1824), (1520, 1764), (1568, 1710), (1596, 1680)]