65212840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:743

約数の個数: 128

約数和(自身を含む): 189112320

約数和(自身を除く): 123899480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 683, 770, 868, 1085, 1240, 1364, 1366, 1540, 1705, 1736, 2170, 2387, 2728, 2732, 3080, 3410, 3415, 4340, 4774, 4781, 5464, 6820, 6830, 7513, 8680, 9548, 9562, 11935, 13640, 13660, 15026, 19096, 19124, 21173, 23870, 23905, 27320, 30052, 37565, 38248, 42346, 47740, 47810, 52591, 60104, 75130, 84692, 95480, 95620, 105182, 105865, 148211, 150260, 169384, 191240, 210364, 211730, 232903, 262955, 296422, 300520, 420728, 423460, 465806, 525910, 592844, 741055, 846920, 931612, 1051820, 1164515, 1185688, 1482110, 1630321, 1863224, 2103640, 2329030, 2964220, 3260642, 4658060, 5928440, 6521284, 8151605, 9316120, 13042568, 16303210, 32606420, 65212840]

約数ペア:

[(1, 65212840), (2, 32606420), (4, 16303210), (5, 13042568), (7, 9316120), (8, 8151605), (10, 6521284), (11, 5928440), (14, 4658060), (20, 3260642), (22, 2964220), (28, 2329030), (31, 2103640), (35, 1863224), (40, 1630321), (44, 1482110), (55, 1185688), (56, 1164515), (62, 1051820), (70, 931612), (77, 846920), (88, 741055), (110, 592844), (124, 525910), (140, 465806), (154, 423460), (155, 420728), (217, 300520), (220, 296422), (248, 262955), (280, 232903), (308, 211730), (310, 210364), (341, 191240), (385, 169384), (434, 150260), (440, 148211), (616, 105865), (620, 105182), (682, 95620), (683, 95480), (770, 84692), (868, 75130), (1085, 60104), (1240, 52591), (1364, 47810), (1366, 47740), (1540, 42346), (1705, 38248), (1736, 37565), (2170, 30052), (2387, 27320), (2728, 23905), (2732, 23870), (3080, 21173), (3410, 19124), (3415, 19096), (4340, 15026), (4774, 13660), (4781, 13640), (5464, 11935), (6820, 9562), (6830, 9548), (7513, 8680)]