30879320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 40970920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 131, 142, 166, 262, 284, 332, 355, 415, 524, 568, 655, 664, 710, 830, 1048, 1310, 1420, 1660, 2620, 2840, 3320, 5240, 5893, 9301, 10873, 11786, 18602, 21746, 23572, 29465, 37204, 43492, 46505, 47144, 54365, 58930, 74408, 86984, 93010, 108730, 117860, 186020, 217460, 235720, 372040, 434920, 771983, 1543966, 3087932, 3859915, 6175864, 7719830, 15439660, 30879320]

約数ペア:

[(1, 30879320), (2, 15439660), (4, 7719830), (5, 6175864), (8, 3859915), (10, 3087932), (20, 1543966), (40, 771983), (71, 434920), (83, 372040), (131, 235720), (142, 217460), (166, 186020), (262, 117860), (284, 108730), (332, 93010), (355, 86984), (415, 74408), (524, 58930), (568, 54365), (655, 47144), (664, 46505), (710, 43492), (830, 37204), (1048, 29465), (1310, 23572), (1420, 21746), (1660, 18602), (2620, 11786), (2840, 10873), (3320, 9301), (5240, 5893)]