161820120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 256

約数和(自身を含む): 615444480

約数和(自身を除く): 453624360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 83, 84, 88, 105, 110, 120, 132, 140, 154, 165, 166, 168, 210, 211, 220, 231, 249, 264, 280, 308, 330, 332, 385, 415, 420, 422, 440, 462, 498, 581, 616, 633, 660, 664, 770, 830, 840, 844, 913, 924, 996, 1055, 1155, 1162, 1245, 1266, 1320, 1477, 1540, 1660, 1688, 1743, 1826, 1848, 1992, 2110, 2310, 2321, 2324, 2490, 2532, 2739, 2905, 2954, 3080, 3165, 3320, 3486, 3652, 4220, 4431, 4565, 4620, 4642, 4648, 4980, 5064, 5478, 5810, 5908, 6330, 6391, 6963, 6972, 7304, 7385, 8440, 8715, 8862, 9130, 9240, 9284, 9960, 10956, 11605, 11620, 11816, 12660, 12782, 13695, 13926, 13944, 14770, 16247, 17430, 17513, 17724, 18260, 18568, 19173, 21912, 22155, 23210, 23240, 25320, 25564, 27390, 27852, 29540, 31955, 32494, 34815, 34860, 35026, 35448, 36520, 38346, 44310, 46420, 48741, 51128, 52539, 54780, 55704, 59080, 63910, 64988, 69630, 69720, 70052, 76692, 81235, 87565, 88620, 92840, 95865, 97482, 105078, 109560, 122591, 127820, 129976, 139260, 140104, 153384, 162470, 175130, 177240, 191730, 192643, 194964, 210156, 243705, 245182, 255640, 262695, 278520, 324940, 350260, 367773, 383460, 385286, 389928, 420312, 487410, 490364, 525390, 577929, 612955, 649880, 700520, 735546, 766920, 770572, 963215, 974820, 980728, 1050780, 1155858, 1225910, 1348501, 1471092, 1541144, 1838865, 1926430, 1949640, 2101560, 2311716, 2451820, 2697002, 2889645, 2942184, 3677730, 3852860, 4045503, 4623432, 4903640, 5394004, 5779290, 6742505, 7355460, 7705720, 8091006, 10788008, 11558580, 13485010, 14710920, 16182012, 20227515, 23117160, 26970020, 32364024, 40455030, 53940040, 80910060, 161820120]

約数ペア:

[(1, 161820120), (2, 80910060), (3, 53940040), (4, 40455030), (5, 32364024), (6, 26970020), (7, 23117160), (8, 20227515), (10, 16182012), (11, 14710920), (12, 13485010), (14, 11558580), (15, 10788008), (20, 8091006), (21, 7705720), (22, 7355460), (24, 6742505), (28, 5779290), (30, 5394004), (33, 4903640), (35, 4623432), (40, 4045503), (42, 3852860), (44, 3677730), (55, 2942184), (56, 2889645), (60, 2697002), (66, 2451820), (70, 2311716), (77, 2101560), (83, 1949640), (84, 1926430), (88, 1838865), (105, 1541144), (110, 1471092), (120, 1348501), (132, 1225910), (140, 1155858), (154, 1050780), (165, 980728), (166, 974820), (168, 963215), (210, 770572), (211, 766920), (220, 735546), (231, 700520), (249, 649880), (264, 612955), (280, 577929), (308, 525390), (330, 490364), (332, 487410), (385, 420312), (415, 389928), (420, 385286), (422, 383460), (440, 367773), (462, 350260), (498, 324940), (581, 278520), (616, 262695), (633, 255640), (660, 245182), (664, 243705), (770, 210156), (830, 194964), (840, 192643), (844, 191730), (913, 177240), (924, 175130), (996, 162470), (1055, 153384), (1155, 140104), (1162, 139260), (1245, 129976), (1266, 127820), (1320, 122591), (1477, 109560), (1540, 105078), (1660, 97482), (1688, 95865), (1743, 92840), (1826, 88620), (1848, 87565), (1992, 81235), (2110, 76692), (2310, 70052), (2321, 69720), (2324, 69630), (2490, 64988), (2532, 63910), (2739, 59080), (2905, 55704), (2954, 54780), (3080, 52539), (3165, 51128), (3320, 48741), (3486, 46420), (3652, 44310), (4220, 38346), (4431, 36520), (4565, 35448), (4620, 35026), (4642, 34860), (4648, 34815), (4980, 32494), (5064, 31955), (5478, 29540), (5810, 27852), (5908, 27390), (6330, 25564), (6391, 25320), (6963, 23240), (6972, 23210), (7304, 22155), (7385, 21912), (8440, 19173), (8715, 18568), (8862, 18260), (9130, 17724), (9240, 17513), (9284, 17430), (9960, 16247), (10956, 14770), (11605, 13944), (11620, 13926), (11816, 13695), (12660, 12782)]