21216884320

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{727}}^1\times {\mathrm{1019}}^1$

素因数の和:1940

約数の個数: 96

約数和(自身を含む): 50523782400

約数和(自身を除く): 29306898080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 727, 895, 1019, 1432, 1454, 1790, 2038, 2864, 2908, 3580, 3635, 4076, 5095, 5728, 5816, 7160, 7270, 8152, 10190, 11632, 14320, 14540, 16304, 20380, 23264, 28640, 29080, 32608, 40760, 58160, 81520, 116320, 130133, 163040, 182401, 260266, 364802, 520532, 650665, 729604, 740813, 912005, 1041064, 1301330, 1459208, 1481626, 1824010, 2082128, 2602660, 2918416, 2963252, 3648020, 3704065, 4164256, 5205320, 5836832, 5926504, 7296040, 7408130, 10410640, 11853008, 14592080, 14816260, 20821280, 23706016, 29184160, 29632520, 59265040, 118530080, 132605527, 265211054, 530422108, 663027635, 1060844216, 1326055270, 2121688432, 2652110540, 4243376864, 5304221080, 10608442160, 21216884320]

約数ペア:

[(1, 21216884320), (2, 10608442160), (4, 5304221080), (5, 4243376864), (8, 2652110540), (10, 2121688432), (16, 1326055270), (20, 1060844216), (32, 663027635), (40, 530422108), (80, 265211054), (160, 132605527), (179, 118530080), (358, 59265040), (716, 29632520), (727, 29184160), (895, 23706016), (1019, 20821280), (1432, 14816260), (1454, 14592080), (1790, 11853008), (2038, 10410640), (2864, 7408130), (2908, 7296040), (3580, 5926504), (3635, 5836832), (4076, 5205320), (5095, 4164256), (5728, 3704065), (5816, 3648020), (7160, 2963252), (7270, 2918416), (8152, 2602660), (10190, 2082128), (11632, 1824010), (14320, 1481626), (14540, 1459208), (16304, 1301330), (20380, 1041064), (23264, 912005), (28640, 740813), (29080, 729604), (32608, 650665), (40760, 520532), (58160, 364802), (81520, 260266), (116320, 182401), (130133, 163040)]