28919520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:198

約数の個数: 288

約数和(自身を含む): 119508480

約数和(自身を除く): 90588960

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, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 151, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 302, 304, 315, 336, 342, 360, 380, 399, 420, 453, 456, 480, 504, 532, 560, 570, 604, 608, 630, 665, 672, 684, 720, 755, 760, 798, 840, 855, 906, 912, 1008, 1057, 1064, 1120, 1140, 1197, 1208, 1260, 1330, 1359, 1368, 1440, 1510, 1520, 1596, 1680, 1710, 1812, 1824, 1995, 2016, 2114, 2128, 2265, 2280, 2394, 2416, 2520, 2660, 2718, 2736, 2869, 3020, 3040, 3171, 3192, 3360, 3420, 3624, 3990, 4228, 4256, 4530, 4560, 4788, 4832, 5040, 5285, 5320, 5436, 5472, 5738, 5985, 6040, 6342, 6384, 6795, 6840, 7248, 7980, 8456, 8607, 9060, 9120, 9513, 9576, 10080, 10570, 10640, 10872, 11476, 11970, 12080, 12684, 12768, 13590, 13680, 14345, 14496, 15855, 15960, 16912, 17214, 18120, 19026, 19152, 20083, 21140, 21280, 21744, 22952, 23940, 24160, 25368, 25821, 27180, 27360, 28690, 31710, 31920, 33824, 34428, 36240, 38052, 38304, 40166, 42280, 43035, 43488, 45904, 47565, 47880, 50736, 51642, 54360, 57380, 60249, 63420, 63840, 68856, 72480, 76104, 80332, 84560, 86070, 91808, 95130, 95760, 100415, 101472, 103284, 108720, 114760, 120498, 126840, 129105, 137712, 152208, 160664, 169120, 172140, 180747, 190260, 191520, 200830, 206568, 217440, 229520, 240996, 253680, 258210, 275424, 301245, 304416, 321328, 344280, 361494, 380520, 401660, 413136, 459040, 481992, 507360, 516420, 602490, 642656, 688560, 722988, 761040, 803320, 826272, 903735, 963984, 1032840, 1204980, 1377120, 1445976, 1522080, 1606640, 1807470, 1927968, 2065680, 2409960, 2891952, 3213280, 3614940, 4131360, 4819920, 5783904, 7229880, 9639840, 14459760, 28919520]

約数ペア:

[(1, 28919520), (2, 14459760), (3, 9639840), (4, 7229880), (5, 5783904), (6, 4819920), (7, 4131360), (8, 3614940), (9, 3213280), (10, 2891952), (12, 2409960), (14, 2065680), (15, 1927968), (16, 1807470), (18, 1606640), (19, 1522080), (20, 1445976), (21, 1377120), (24, 1204980), (28, 1032840), (30, 963984), (32, 903735), (35, 826272), (36, 803320), (38, 761040), (40, 722988), (42, 688560), (45, 642656), (48, 602490), (56, 516420), (57, 507360), (60, 481992), (63, 459040), (70, 413136), (72, 401660), (76, 380520), (80, 361494), (84, 344280), (90, 321328), (95, 304416), (96, 301245), (105, 275424), (112, 258210), (114, 253680), (120, 240996), (126, 229520), (133, 217440), (140, 206568), (144, 200830), (151, 191520), (152, 190260), (160, 180747), (168, 172140), (171, 169120), (180, 160664), (190, 152208), (210, 137712), (224, 129105), (228, 126840), (240, 120498), (252, 114760), (266, 108720), (280, 103284), (285, 101472), (288, 100415), (302, 95760), (304, 95130), (315, 91808), (336, 86070), (342, 84560), (360, 80332), (380, 76104), (399, 72480), (420, 68856), (453, 63840), (456, 63420), (480, 60249), (504, 57380), (532, 54360), (560, 51642), (570, 50736), (604, 47880), (608, 47565), (630, 45904), (665, 43488), (672, 43035), (684, 42280), (720, 40166), (755, 38304), (760, 38052), (798, 36240), (840, 34428), (855, 33824), (906, 31920), (912, 31710), (1008, 28690), (1057, 27360), (1064, 27180), (1120, 25821), (1140, 25368), (1197, 24160), (1208, 23940), (1260, 22952), (1330, 21744), (1359, 21280), (1368, 21140), (1440, 20083), (1510, 19152), (1520, 19026), (1596, 18120), (1680, 17214), (1710, 16912), (1812, 15960), (1824, 15855), (1995, 14496), (2016, 14345), (2114, 13680), (2128, 13590), (2265, 12768), (2280, 12684), (2394, 12080), (2416, 11970), (2520, 11476), (2660, 10872), (2718, 10640), (2736, 10570), (2869, 10080), (3020, 9576), (3040, 9513), (3171, 9120), (3192, 9060), (3360, 8607), (3420, 8456), (3624, 7980), (3990, 7248), (4228, 6840), (4256, 6795), (4530, 6384), (4560, 6342), (4788, 6040), (4832, 5985), (5040, 5738), (5285, 5472), (5320, 5436)]