918742720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21587}}^1$

素因数の和:21630

約数の個数: 112

約数和(自身を含む): 2632008960

約数和(自身を除く): 1713266240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6080, 8512, 10640, 21280, 21587, 42560, 43174, 86348, 107935, 151109, 172696, 215870, 302218, 345392, 410153, 431740, 604436, 690784, 755545, 820306, 863480, 1208872, 1381568, 1511090, 1640612, 1726960, 2050765, 2417744, 2871071, 3022180, 3281224, 3453920, 4101530, 4835488, 5742142, 6044360, 6562448, 6907840, 8203060, 9670976, 11484284, 12088720, 13124896, 14355355, 16406120, 22968568, 24177440, 26249792, 28710710, 32812240, 45937136, 48354880, 57421420, 65624480, 91874272, 114842840, 131248960, 183748544, 229685680, 459371360, 918742720]

約数ペア:

[(1, 918742720), (2, 459371360), (4, 229685680), (5, 183748544), (7, 131248960), (8, 114842840), (10, 91874272), (14, 65624480), (16, 57421420), (19, 48354880), (20, 45937136), (28, 32812240), (32, 28710710), (35, 26249792), (38, 24177440), (40, 22968568), (56, 16406120), (64, 14355355), (70, 13124896), (76, 12088720), (80, 11484284), (95, 9670976), (112, 8203060), (133, 6907840), (140, 6562448), (152, 6044360), (160, 5742142), (190, 4835488), (224, 4101530), (266, 3453920), (280, 3281224), (304, 3022180), (320, 2871071), (380, 2417744), (448, 2050765), (532, 1726960), (560, 1640612), (608, 1511090), (665, 1381568), (760, 1208872), (1064, 863480), (1120, 820306), (1216, 755545), (1330, 690784), (1520, 604436), (2128, 431740), (2240, 410153), (2660, 345392), (3040, 302218), (4256, 215870), (5320, 172696), (6080, 151109), (8512, 107935), (10640, 86348), (21280, 43174), (21587, 42560)]