1871095520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53891}}^1$

素因数の和:53944

約数の個数: 96

約数和(自身を含む): 5215021056

約数和(自身を除く): 3343925536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 17360, 34720, 53891, 107782, 215564, 269455, 377237, 431128, 538910, 754474, 862256, 1077820, 1508948, 1670621, 1724512, 1886185, 2155640, 3017896, 3341242, 3772370, 4311280, 6035792, 6682484, 7544740, 8353105, 8622560, 11694347, 12071584, 13364968, 15089480, 16706210, 23388694, 26729936, 30178960, 33412420, 46777388, 53459872, 58471735, 60357920, 66824840, 93554776, 116943470, 133649680, 187109552, 233886940, 267299360, 374219104, 467773880, 935547760, 1871095520]

約数ペア:

[(1, 1871095520), (2, 935547760), (4, 467773880), (5, 374219104), (7, 267299360), (8, 233886940), (10, 187109552), (14, 133649680), (16, 116943470), (20, 93554776), (28, 66824840), (31, 60357920), (32, 58471735), (35, 53459872), (40, 46777388), (56, 33412420), (62, 30178960), (70, 26729936), (80, 23388694), (112, 16706210), (124, 15089480), (140, 13364968), (155, 12071584), (160, 11694347), (217, 8622560), (224, 8353105), (248, 7544740), (280, 6682484), (310, 6035792), (434, 4311280), (496, 3772370), (560, 3341242), (620, 3017896), (868, 2155640), (992, 1886185), (1085, 1724512), (1120, 1670621), (1240, 1508948), (1736, 1077820), (2170, 862256), (2480, 754474), (3472, 538910), (4340, 431128), (4960, 377237), (6944, 269455), (8680, 215564), (17360, 107782), (34720, 53891)]