1627508720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{6481}}^1$

素因数の和:6610

約数の個数: 80

約数和(自身を含む): 3925602912

約数和(自身を除く): 2298094192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 292, 344, 365, 430, 584, 688, 730, 860, 1168, 1460, 1720, 2920, 3139, 3440, 5840, 6278, 6481, 12556, 12962, 15695, 25112, 25924, 31390, 32405, 50224, 51848, 62780, 64810, 103696, 125560, 129620, 251120, 259240, 278683, 473113, 518480, 557366, 946226, 1114732, 1393415, 1892452, 2229464, 2365565, 2786830, 3784904, 4458928, 4731130, 5573660, 7569808, 9462260, 11147320, 18924520, 20343859, 22294640, 37849040, 40687718, 81375436, 101719295, 162750872, 203438590, 325501744, 406877180, 813754360, 1627508720]

約数ペア:

[(1, 1627508720), (2, 813754360), (4, 406877180), (5, 325501744), (8, 203438590), (10, 162750872), (16, 101719295), (20, 81375436), (40, 40687718), (43, 37849040), (73, 22294640), (80, 20343859), (86, 18924520), (146, 11147320), (172, 9462260), (215, 7569808), (292, 5573660), (344, 4731130), (365, 4458928), (430, 3784904), (584, 2786830), (688, 2365565), (730, 2229464), (860, 1892452), (1168, 1393415), (1460, 1114732), (1720, 946226), (2920, 557366), (3139, 518480), (3440, 473113), (5840, 278683), (6278, 259240), (6481, 251120), (12556, 129620), (12962, 125560), (15695, 103696), (25112, 64810), (25924, 62780), (31390, 51848), (32405, 50224)]