172900980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 240

約数和(自身を含む): 630981120

約数和(自身を除く): 458080140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 81, 84, 90, 105, 108, 126, 135, 140, 158, 162, 180, 189, 193, 210, 237, 252, 270, 315, 316, 324, 378, 386, 395, 405, 420, 474, 540, 553, 567, 579, 630, 711, 756, 772, 790, 810, 945, 948, 965, 1106, 1134, 1158, 1185, 1260, 1351, 1422, 1580, 1620, 1659, 1737, 1890, 1930, 2133, 2212, 2268, 2316, 2370, 2702, 2765, 2835, 2844, 2895, 3318, 3474, 3555, 3780, 3860, 4053, 4266, 4740, 4977, 5211, 5404, 5530, 5670, 5790, 6399, 6636, 6755, 6948, 7110, 8106, 8295, 8532, 8685, 9954, 10422, 10665, 11060, 11340, 11580, 12159, 12798, 13510, 14220, 14931, 15247, 15633, 16212, 16590, 17370, 19908, 20265, 20844, 21330, 24318, 24885, 25596, 26055, 27020, 29862, 30494, 31266, 31995, 33180, 34740, 36477, 40530, 42660, 44793, 45741, 48636, 49770, 52110, 59724, 60795, 60988, 62532, 63990, 72954, 74655, 76235, 78165, 81060, 89586, 91482, 99540, 104220, 106729, 109431, 121590, 127980, 137223, 145908, 149310, 152470, 156330, 179172, 182385, 182964, 213458, 218862, 223965, 228705, 243180, 274446, 298620, 304940, 312660, 320187, 364770, 411669, 426916, 437724, 447930, 457410, 533645, 547155, 548892, 640374, 686115, 729540, 823338, 895860, 914820, 960561, 1067290, 1094310, 1235007, 1280748, 1372230, 1600935, 1646676, 1921122, 2058345, 2134580, 2188620, 2470014, 2744460, 2881683, 3201870, 3842244, 4116690, 4802805, 4940028, 5763366, 6175035, 6403740, 8233380, 8645049, 9605610, 11526732, 12350070, 14408415, 17290098, 19211220, 24700140, 28816830, 34580196, 43225245, 57633660, 86450490, 172900980]

約数ペア:

[(1, 172900980), (2, 86450490), (3, 57633660), (4, 43225245), (5, 34580196), (6, 28816830), (7, 24700140), (9, 19211220), (10, 17290098), (12, 14408415), (14, 12350070), (15, 11526732), (18, 9605610), (20, 8645049), (21, 8233380), (27, 6403740), (28, 6175035), (30, 5763366), (35, 4940028), (36, 4802805), (42, 4116690), (45, 3842244), (54, 3201870), (60, 2881683), (63, 2744460), (70, 2470014), (79, 2188620), (81, 2134580), (84, 2058345), (90, 1921122), (105, 1646676), (108, 1600935), (126, 1372230), (135, 1280748), (140, 1235007), (158, 1094310), (162, 1067290), (180, 960561), (189, 914820), (193, 895860), (210, 823338), (237, 729540), (252, 686115), (270, 640374), (315, 548892), (316, 547155), (324, 533645), (378, 457410), (386, 447930), (395, 437724), (405, 426916), (420, 411669), (474, 364770), (540, 320187), (553, 312660), (567, 304940), (579, 298620), (630, 274446), (711, 243180), (756, 228705), (772, 223965), (790, 218862), (810, 213458), (945, 182964), (948, 182385), (965, 179172), (1106, 156330), (1134, 152470), (1158, 149310), (1185, 145908), (1260, 137223), (1351, 127980), (1422, 121590), (1580, 109431), (1620, 106729), (1659, 104220), (1737, 99540), (1890, 91482), (1930, 89586), (2133, 81060), (2212, 78165), (2268, 76235), (2316, 74655), (2370, 72954), (2702, 63990), (2765, 62532), (2835, 60988), (2844, 60795), (2895, 59724), (3318, 52110), (3474, 49770), (3555, 48636), (3780, 45741), (3860, 44793), (4053, 42660), (4266, 40530), (4740, 36477), (4977, 34740), (5211, 33180), (5404, 31995), (5530, 31266), (5670, 30494), (5790, 29862), (6399, 27020), (6636, 26055), (6755, 25596), (6948, 24885), (7110, 24318), (8106, 21330), (8295, 20844), (8532, 20265), (8685, 19908), (9954, 17370), (10422, 16590), (10665, 16212), (11060, 15633), (11340, 15247), (11580, 14931), (12159, 14220), (12798, 13510)]