172521720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:554

約数の個数: 192

約数和(自身を含む): 645765120

約数和(自身を除く): 473243400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 223, 252, 280, 307, 315, 360, 420, 446, 504, 614, 630, 669, 840, 892, 921, 1115, 1228, 1260, 1338, 1535, 1561, 1784, 1842, 2007, 2149, 2230, 2456, 2520, 2676, 2763, 3070, 3122, 3345, 3684, 4014, 4298, 4460, 4605, 4683, 5352, 5526, 6140, 6244, 6447, 6690, 7368, 7805, 8028, 8596, 8920, 9210, 9366, 10035, 10745, 11052, 12280, 12488, 12894, 13380, 13815, 14049, 15610, 16056, 17192, 18420, 18732, 19341, 20070, 21490, 22104, 23415, 25788, 26760, 27630, 28098, 31220, 32235, 36840, 37464, 38682, 40140, 42980, 46830, 51576, 55260, 56196, 62440, 64470, 68461, 70245, 77364, 80280, 85960, 93660, 96705, 110520, 112392, 128940, 136922, 140490, 154728, 187320, 193410, 205383, 257880, 273844, 280980, 342305, 386820, 410766, 479227, 547688, 561960, 616149, 684610, 773640, 821532, 958454, 1026915, 1232298, 1369220, 1437681, 1643064, 1916908, 2053830, 2396135, 2464596, 2738440, 2875362, 3080745, 3833816, 4107660, 4313043, 4792270, 4929192, 5750724, 6161490, 7188405, 8215320, 8626086, 9584540, 11501448, 12322980, 14376810, 17252172, 19169080, 21565215, 24645960, 28753620, 34504344, 43130430, 57507240, 86260860, 172521720]

約数ペア:

[(1, 172521720), (2, 86260860), (3, 57507240), (4, 43130430), (5, 34504344), (6, 28753620), (7, 24645960), (8, 21565215), (9, 19169080), (10, 17252172), (12, 14376810), (14, 12322980), (15, 11501448), (18, 9584540), (20, 8626086), (21, 8215320), (24, 7188405), (28, 6161490), (30, 5750724), (35, 4929192), (36, 4792270), (40, 4313043), (42, 4107660), (45, 3833816), (56, 3080745), (60, 2875362), (63, 2738440), (70, 2464596), (72, 2396135), (84, 2053830), (90, 1916908), (105, 1643064), (120, 1437681), (126, 1369220), (140, 1232298), (168, 1026915), (180, 958454), (210, 821532), (223, 773640), (252, 684610), (280, 616149), (307, 561960), (315, 547688), (360, 479227), (420, 410766), (446, 386820), (504, 342305), (614, 280980), (630, 273844), (669, 257880), (840, 205383), (892, 193410), (921, 187320), (1115, 154728), (1228, 140490), (1260, 136922), (1338, 128940), (1535, 112392), (1561, 110520), (1784, 96705), (1842, 93660), (2007, 85960), (2149, 80280), (2230, 77364), (2456, 70245), (2520, 68461), (2676, 64470), (2763, 62440), (3070, 56196), (3122, 55260), (3345, 51576), (3684, 46830), (4014, 42980), (4298, 40140), (4460, 38682), (4605, 37464), (4683, 36840), (5352, 32235), (5526, 31220), (6140, 28098), (6244, 27630), (6447, 26760), (6690, 25788), (7368, 23415), (7805, 22104), (8028, 21490), (8596, 20070), (8920, 19341), (9210, 18732), (9366, 18420), (10035, 17192), (10745, 16056), (11052, 15610), (12280, 14049), (12488, 13815), (12894, 13380)]