72107280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 320

約数和(自身を含む): 299980800

約数和(自身を除く): 227873520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 251, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 502, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 753, 756, 760, 798, 840, 855, 912, 945, 1004, 1008, 1026, 1064, 1080, 1140, 1197, 1255, 1260, 1330, 1368, 1506, 1512, 1520, 1596, 1680, 1710, 1757, 1890, 1995, 2008, 2052, 2128, 2160, 2259, 2280, 2394, 2510, 2520, 2565, 2660, 2736, 3012, 3024, 3192, 3420, 3514, 3591, 3765, 3780, 3990, 4016, 4104, 4518, 4560, 4769, 4788, 5020, 5040, 5130, 5271, 5320, 5985, 6024, 6384, 6777, 6840, 7028, 7182, 7530, 7560, 7980, 8208, 8785, 9036, 9538, 9576, 10040, 10260, 10542, 10640, 11295, 11970, 12048, 13554, 13680, 14056, 14307, 14364, 15060, 15120, 15813, 15960, 17570, 17955, 18072, 19076, 19152, 20080, 20520, 21084, 22590, 23845, 23940, 26355, 27108, 28112, 28614, 28728, 30120, 31626, 31920, 33383, 33885, 35140, 35910, 36144, 38152, 41040, 42168, 42921, 45180, 47439, 47690, 47880, 52710, 54216, 57228, 57456, 60240, 63252, 66766, 67770, 70280, 71535, 71820, 76304, 79065, 84336, 85842, 90360, 94878, 95380, 95760, 100149, 105420, 108432, 114456, 126504, 128763, 133532, 135540, 140560, 143070, 143640, 158130, 166915, 171684, 180720, 189756, 190760, 200298, 210840, 214605, 228912, 237195, 253008, 257526, 267064, 271080, 286140, 287280, 300447, 316260, 333830, 343368, 379512, 381520, 400596, 421680, 429210, 474390, 500745, 515052, 534128, 542160, 572280, 600894, 632520, 643815, 667660, 686736, 759024, 801192, 858420, 901341, 948780, 1001490, 1030104, 1144560, 1201788, 1265040, 1287630, 1335320, 1502235, 1602384, 1716840, 1802682, 1897560, 2002980, 2060208, 2403576, 2575260, 2670640, 3004470, 3433680, 3605364, 3795120, 4005960, 4506705, 4807152, 5150520, 6008940, 7210728, 8011920, 9013410, 10301040, 12017880, 14421456, 18026820, 24035760, 36053640, 72107280]

約数ペア:

[(1, 72107280), (2, 36053640), (3, 24035760), (4, 18026820), (5, 14421456), (6, 12017880), (7, 10301040), (8, 9013410), (9, 8011920), (10, 7210728), (12, 6008940), (14, 5150520), (15, 4807152), (16, 4506705), (18, 4005960), (19, 3795120), (20, 3605364), (21, 3433680), (24, 3004470), (27, 2670640), (28, 2575260), (30, 2403576), (35, 2060208), (36, 2002980), (38, 1897560), (40, 1802682), (42, 1716840), (45, 1602384), (48, 1502235), (54, 1335320), (56, 1287630), (57, 1265040), (60, 1201788), (63, 1144560), (70, 1030104), (72, 1001490), (76, 948780), (80, 901341), (84, 858420), (90, 801192), (95, 759024), (105, 686736), (108, 667660), (112, 643815), (114, 632520), (120, 600894), (126, 572280), (133, 542160), (135, 534128), (140, 515052), (144, 500745), (152, 474390), (168, 429210), (171, 421680), (180, 400596), (189, 381520), (190, 379512), (210, 343368), (216, 333830), (228, 316260), (240, 300447), (251, 287280), (252, 286140), (266, 271080), (270, 267064), (280, 257526), (285, 253008), (304, 237195), (315, 228912), (336, 214605), (342, 210840), (360, 200298), (378, 190760), (380, 189756), (399, 180720), (420, 171684), (432, 166915), (456, 158130), (502, 143640), (504, 143070), (513, 140560), (532, 135540), (540, 133532), (560, 128763), (570, 126504), (630, 114456), (665, 108432), (684, 105420), (720, 100149), (753, 95760), (756, 95380), (760, 94878), (798, 90360), (840, 85842), (855, 84336), (912, 79065), (945, 76304), (1004, 71820), (1008, 71535), (1026, 70280), (1064, 67770), (1080, 66766), (1140, 63252), (1197, 60240), (1255, 57456), (1260, 57228), (1330, 54216), (1368, 52710), (1506, 47880), (1512, 47690), (1520, 47439), (1596, 45180), (1680, 42921), (1710, 42168), (1757, 41040), (1890, 38152), (1995, 36144), (2008, 35910), (2052, 35140), (2128, 33885), (2160, 33383), (2259, 31920), (2280, 31626), (2394, 30120), (2510, 28728), (2520, 28614), (2565, 28112), (2660, 27108), (2736, 26355), (3012, 23940), (3024, 23845), (3192, 22590), (3420, 21084), (3514, 20520), (3591, 20080), (3765, 19152), (3780, 19076), (3990, 18072), (4016, 17955), (4104, 17570), (4518, 15960), (4560, 15813), (4769, 15120), (4788, 15060), (5020, 14364), (5040, 14307), (5130, 14056), (5271, 13680), (5320, 13554), (5985, 12048), (6024, 11970), (6384, 11295), (6777, 10640), (6840, 10542), (7028, 10260), (7182, 10040), (7530, 9576), (7560, 9538), (7980, 9036), (8208, 8785)]