72645440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 168

約数和(自身を含む): 207961992

約数和(自身を除く): 135316552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 113, 140, 160, 164, 196, 205, 224, 226, 245, 280, 287, 320, 328, 392, 410, 448, 452, 490, 560, 565, 574, 656, 784, 791, 820, 904, 980, 1120, 1130, 1148, 1312, 1435, 1568, 1582, 1640, 1808, 1960, 2009, 2240, 2260, 2296, 2624, 2870, 3136, 3164, 3280, 3616, 3920, 3955, 4018, 4520, 4592, 4633, 5537, 5740, 6328, 6560, 7232, 7840, 7910, 8036, 9040, 9184, 9266, 10045, 11074, 11480, 12656, 13120, 15680, 15820, 16072, 18080, 18368, 18532, 20090, 22148, 22960, 23165, 25312, 27685, 31640, 32144, 32431, 36160, 37064, 40180, 44296, 45920, 46330, 50624, 55370, 63280, 64288, 64862, 74128, 80360, 88592, 91840, 92660, 110740, 126560, 128576, 129724, 148256, 160720, 162155, 177184, 185320, 221480, 227017, 253120, 259448, 296512, 321440, 324310, 354368, 370640, 442960, 454034, 518896, 642880, 648620, 741280, 885920, 908068, 1037792, 1135085, 1297240, 1482560, 1771840, 1816136, 2075584, 2270170, 2594480, 3632272, 4540340, 5188960, 7264544, 9080680, 10377920, 14529088, 18161360, 36322720, 72645440]

約数ペア:

[(1, 72645440), (2, 36322720), (4, 18161360), (5, 14529088), (7, 10377920), (8, 9080680), (10, 7264544), (14, 5188960), (16, 4540340), (20, 3632272), (28, 2594480), (32, 2270170), (35, 2075584), (40, 1816136), (41, 1771840), (49, 1482560), (56, 1297240), (64, 1135085), (70, 1037792), (80, 908068), (82, 885920), (98, 741280), (112, 648620), (113, 642880), (140, 518896), (160, 454034), (164, 442960), (196, 370640), (205, 354368), (224, 324310), (226, 321440), (245, 296512), (280, 259448), (287, 253120), (320, 227017), (328, 221480), (392, 185320), (410, 177184), (448, 162155), (452, 160720), (490, 148256), (560, 129724), (565, 128576), (574, 126560), (656, 110740), (784, 92660), (791, 91840), (820, 88592), (904, 80360), (980, 74128), (1120, 64862), (1130, 64288), (1148, 63280), (1312, 55370), (1435, 50624), (1568, 46330), (1582, 45920), (1640, 44296), (1808, 40180), (1960, 37064), (2009, 36160), (2240, 32431), (2260, 32144), (2296, 31640), (2624, 27685), (2870, 25312), (3136, 23165), (3164, 22960), (3280, 22148), (3616, 20090), (3920, 18532), (3955, 18368), (4018, 18080), (4520, 16072), (4592, 15820), (4633, 15680), (5537, 13120), (5740, 12656), (6328, 11480), (6560, 11074), (7232, 10045), (7840, 9266), (7910, 9184), (8036, 9040)]