641725120

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:522

約数の個数: 112

約数和(自身を含む): 1579168800

約数和(自身を除く): 937443680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 149, 160, 172, 215, 298, 313, 320, 344, 430, 596, 626, 688, 745, 860, 1192, 1252, 1376, 1490, 1565, 1720, 2384, 2504, 2752, 2980, 3130, 3440, 4768, 5008, 5960, 6260, 6407, 6880, 9536, 10016, 11920, 12520, 12814, 13459, 13760, 20032, 23840, 25040, 25628, 26918, 32035, 46637, 47680, 50080, 51256, 53836, 64070, 67295, 93274, 100160, 102512, 107672, 128140, 134590, 186548, 205024, 215344, 233185, 256280, 269180, 373096, 410048, 430688, 466370, 512560, 538360, 746192, 861376, 932740, 1025120, 1076720, 1492384, 1865480, 2005391, 2050240, 2153440, 2984768, 3730960, 4010782, 4306880, 7461920, 8021564, 10026955, 14923840, 16043128, 20053910, 32086256, 40107820, 64172512, 80215640, 128345024, 160431280, 320862560, 641725120]

約数ペア:

[(1, 641725120), (2, 320862560), (4, 160431280), (5, 128345024), (8, 80215640), (10, 64172512), (16, 40107820), (20, 32086256), (32, 20053910), (40, 16043128), (43, 14923840), (64, 10026955), (80, 8021564), (86, 7461920), (149, 4306880), (160, 4010782), (172, 3730960), (215, 2984768), (298, 2153440), (313, 2050240), (320, 2005391), (344, 1865480), (430, 1492384), (596, 1076720), (626, 1025120), (688, 932740), (745, 861376), (860, 746192), (1192, 538360), (1252, 512560), (1376, 466370), (1490, 430688), (1565, 410048), (1720, 373096), (2384, 269180), (2504, 256280), (2752, 233185), (2980, 215344), (3130, 205024), (3440, 186548), (4768, 134590), (5008, 128140), (5960, 107672), (6260, 102512), (6407, 100160), (6880, 93274), (9536, 67295), (10016, 64070), (11920, 53836), (12520, 51256), (12814, 50080), (13459, 47680), (13760, 46637), (20032, 32035), (23840, 26918), (25040, 25628)]