72690640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 201522816

約数和(自身を除く): 128832176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 43, 44, 55, 68, 80, 85, 86, 88, 110, 113, 136, 170, 172, 176, 187, 215, 220, 226, 272, 340, 344, 374, 430, 440, 452, 473, 565, 680, 688, 731, 748, 860, 880, 904, 935, 946, 1130, 1243, 1360, 1462, 1496, 1720, 1808, 1870, 1892, 1921, 2260, 2365, 2486, 2924, 2992, 3440, 3655, 3740, 3784, 3842, 4520, 4730, 4859, 4972, 5848, 6215, 7310, 7480, 7568, 7684, 8041, 9040, 9460, 9605, 9718, 9944, 11696, 12430, 14620, 14960, 15368, 16082, 18920, 19210, 19436, 19888, 21131, 24295, 24860, 29240, 30736, 32164, 37840, 38420, 38872, 40205, 42262, 48590, 49720, 53449, 58480, 64328, 76840, 77744, 80410, 82603, 84524, 97180, 99440, 105655, 106898, 128656, 153680, 160820, 165206, 169048, 194360, 211310, 213796, 267245, 321640, 330412, 338096, 388720, 413015, 422620, 427592, 534490, 643280, 660824, 826030, 845240, 855184, 908633, 1068980, 1321648, 1652060, 1690480, 1817266, 2137960, 3304120, 3634532, 4275920, 4543165, 6608240, 7269064, 9086330, 14538128, 18172660, 36345320, 72690640]

約数ペア:

[(1, 72690640), (2, 36345320), (4, 18172660), (5, 14538128), (8, 9086330), (10, 7269064), (11, 6608240), (16, 4543165), (17, 4275920), (20, 3634532), (22, 3304120), (34, 2137960), (40, 1817266), (43, 1690480), (44, 1652060), (55, 1321648), (68, 1068980), (80, 908633), (85, 855184), (86, 845240), (88, 826030), (110, 660824), (113, 643280), (136, 534490), (170, 427592), (172, 422620), (176, 413015), (187, 388720), (215, 338096), (220, 330412), (226, 321640), (272, 267245), (340, 213796), (344, 211310), (374, 194360), (430, 169048), (440, 165206), (452, 160820), (473, 153680), (565, 128656), (680, 106898), (688, 105655), (731, 99440), (748, 97180), (860, 84524), (880, 82603), (904, 80410), (935, 77744), (946, 76840), (1130, 64328), (1243, 58480), (1360, 53449), (1462, 49720), (1496, 48590), (1720, 42262), (1808, 40205), (1870, 38872), (1892, 38420), (1921, 37840), (2260, 32164), (2365, 30736), (2486, 29240), (2924, 24860), (2992, 24295), (3440, 21131), (3655, 19888), (3740, 19436), (3784, 19210), (3842, 18920), (4520, 16082), (4730, 15368), (4859, 14960), (4972, 14620), (5848, 12430), (6215, 11696), (7310, 9944), (7480, 9718), (7568, 9605), (7684, 9460), (8041, 9040)]