663786640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1541

約数の個数: 120

約数和(自身を含む): 1733639040

約数和(自身を除く): 1069852400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 121, 176, 188, 220, 235, 242, 376, 440, 470, 484, 517, 605, 752, 880, 940, 968, 1034, 1210, 1459, 1880, 1936, 2068, 2420, 2585, 2918, 3760, 4136, 4840, 5170, 5687, 5836, 7295, 8272, 9680, 10340, 11374, 11672, 14590, 16049, 20680, 22748, 23344, 28435, 29180, 32098, 41360, 45496, 56870, 58360, 64196, 68573, 80245, 90992, 113740, 116720, 128392, 137146, 160490, 176539, 227480, 256784, 274292, 320980, 342865, 353078, 454960, 548584, 641960, 685730, 706156, 754303, 882695, 1097168, 1283920, 1371460, 1412312, 1508606, 1765390, 2742920, 2824624, 3017212, 3530780, 3771515, 5485840, 6034424, 7061560, 7543030, 8297333, 12068848, 14123120, 15086060, 16594666, 30172120, 33189332, 41486665, 60344240, 66378664, 82973330, 132757328, 165946660, 331893320, 663786640]

約数ペア:

[(1, 663786640), (2, 331893320), (4, 165946660), (5, 132757328), (8, 82973330), (10, 66378664), (11, 60344240), (16, 41486665), (20, 33189332), (22, 30172120), (40, 16594666), (44, 15086060), (47, 14123120), (55, 12068848), (80, 8297333), (88, 7543030), (94, 7061560), (110, 6034424), (121, 5485840), (176, 3771515), (188, 3530780), (220, 3017212), (235, 2824624), (242, 2742920), (376, 1765390), (440, 1508606), (470, 1412312), (484, 1371460), (517, 1283920), (605, 1097168), (752, 882695), (880, 754303), (940, 706156), (968, 685730), (1034, 641960), (1210, 548584), (1459, 454960), (1880, 353078), (1936, 342865), (2068, 320980), (2420, 274292), (2585, 256784), (2918, 227480), (3760, 176539), (4136, 160490), (4840, 137146), (5170, 128392), (5687, 116720), (5836, 113740), (7295, 90992), (8272, 80245), (9680, 68573), (10340, 64196), (11374, 58360), (11672, 56870), (14590, 45496), (16049, 41360), (20680, 32098), (22748, 29180), (23344, 28435)]