660002560

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 216

約数和(自身を含む): 1950343920

約数和(自身を除く): 1290341360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 224, 238, 245, 256, 272, 280, 320, 340, 392, 448, 476, 490, 544, 560, 595, 619, 640, 680, 784, 833, 896, 952, 980, 1088, 1120, 1190, 1238, 1280, 1360, 1568, 1666, 1792, 1904, 1960, 2176, 2240, 2380, 2476, 2720, 3095, 3136, 3332, 3808, 3920, 4165, 4333, 4352, 4480, 4760, 4952, 5440, 6190, 6272, 6664, 7616, 7840, 8330, 8666, 8960, 9520, 9904, 10523, 10880, 12380, 12544, 13328, 15232, 15680, 16660, 17332, 19040, 19808, 21046, 21665, 21760, 24760, 26656, 30331, 30464, 31360, 33320, 34664, 38080, 39616, 42092, 43330, 49520, 52615, 53312, 60662, 62720, 66640, 69328, 73661, 76160, 79232, 84184, 86660, 99040, 105230, 106624, 121324, 133280, 138656, 147322, 151655, 152320, 158464, 168368, 173320, 198080, 210460, 213248, 242648, 266560, 277312, 294644, 303310, 336736, 346640, 368305, 396160, 420920, 485296, 515627, 533120, 554624, 589288, 606620, 673472, 693280, 736610, 792320, 841840, 970592, 1031254, 1066240, 1109248, 1178576, 1213240, 1346944, 1386560, 1473220, 1683680, 1941184, 2062508, 2357152, 2426480, 2578135, 2693888, 2773120, 2946440, 3367360, 3882368, 4125016, 4714304, 4852960, 5156270, 5546240, 5892880, 6734720, 7764736, 8250032, 9428608, 9705920, 10312540, 11785760, 13469440, 16500064, 18857216, 19411840, 20625080, 23571520, 33000128, 38823680, 41250160, 47143040, 66000256, 82500320, 94286080, 132000512, 165000640, 330001280, 660002560]

約数ペア:

[(1, 660002560), (2, 330001280), (4, 165000640), (5, 132000512), (7, 94286080), (8, 82500320), (10, 66000256), (14, 47143040), (16, 41250160), (17, 38823680), (20, 33000128), (28, 23571520), (32, 20625080), (34, 19411840), (35, 18857216), (40, 16500064), (49, 13469440), (56, 11785760), (64, 10312540), (68, 9705920), (70, 9428608), (80, 8250032), (85, 7764736), (98, 6734720), (112, 5892880), (119, 5546240), (128, 5156270), (136, 4852960), (140, 4714304), (160, 4125016), (170, 3882368), (196, 3367360), (224, 2946440), (238, 2773120), (245, 2693888), (256, 2578135), (272, 2426480), (280, 2357152), (320, 2062508), (340, 1941184), (392, 1683680), (448, 1473220), (476, 1386560), (490, 1346944), (544, 1213240), (560, 1178576), (595, 1109248), (619, 1066240), (640, 1031254), (680, 970592), (784, 841840), (833, 792320), (896, 736610), (952, 693280), (980, 673472), (1088, 606620), (1120, 589288), (1190, 554624), (1238, 533120), (1280, 515627), (1360, 485296), (1568, 420920), (1666, 396160), (1792, 368305), (1904, 346640), (1960, 336736), (2176, 303310), (2240, 294644), (2380, 277312), (2476, 266560), (2720, 242648), (3095, 213248), (3136, 210460), (3332, 198080), (3808, 173320), (3920, 168368), (4165, 158464), (4333, 152320), (4352, 151655), (4480, 147322), (4760, 138656), (4952, 133280), (5440, 121324), (6190, 106624), (6272, 105230), (6664, 99040), (7616, 86660), (7840, 84184), (8330, 79232), (8666, 76160), (8960, 73661), (9520, 69328), (9904, 66640), (10523, 62720), (10880, 60662), (12380, 53312), (12544, 52615), (13328, 49520), (15232, 43330), (15680, 42092), (16660, 39616), (17332, 38080), (19040, 34664), (19808, 33320), (21046, 31360), (21665, 30464), (21760, 30331), (24760, 26656)]