61758640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 148490496

約数和(自身を除く): 86731856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 131, 142, 166, 262, 284, 332, 355, 415, 524, 568, 655, 664, 710, 830, 1048, 1136, 1310, 1328, 1420, 1660, 2096, 2620, 2840, 3320, 5240, 5680, 5893, 6640, 9301, 10480, 10873, 11786, 18602, 21746, 23572, 29465, 37204, 43492, 46505, 47144, 54365, 58930, 74408, 86984, 93010, 94288, 108730, 117860, 148816, 173968, 186020, 217460, 235720, 372040, 434920, 471440, 744080, 771983, 869840, 1543966, 3087932, 3859915, 6175864, 7719830, 12351728, 15439660, 30879320, 61758640]

約数ペア:

[(1, 61758640), (2, 30879320), (4, 15439660), (5, 12351728), (8, 7719830), (10, 6175864), (16, 3859915), (20, 3087932), (40, 1543966), (71, 869840), (80, 771983), (83, 744080), (131, 471440), (142, 434920), (166, 372040), (262, 235720), (284, 217460), (332, 186020), (355, 173968), (415, 148816), (524, 117860), (568, 108730), (655, 94288), (664, 93010), (710, 86984), (830, 74408), (1048, 58930), (1136, 54365), (1310, 47144), (1328, 46505), (1420, 43492), (1660, 37204), (2096, 29465), (2620, 23572), (2840, 21746), (3320, 18602), (5240, 11786), (5680, 10873), (5893, 10480), (6640, 9301)]