87319760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1572

約数の個数: 80

約数和(自身を含む): 224932032

約数和(自身を除く): 137612272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 737, 880, 1072, 1340, 1474, 1481, 2680, 2948, 2962, 3685, 5360, 5896, 5924, 7370, 7405, 11792, 11848, 14740, 14810, 16291, 23696, 29480, 29620, 32582, 58960, 59240, 65164, 81455, 99227, 118480, 130328, 162910, 198454, 260656, 325820, 396908, 496135, 651640, 793816, 992270, 1091497, 1303280, 1587632, 1984540, 2182994, 3969080, 4365988, 5457485, 7938160, 8731976, 10914970, 17463952, 21829940, 43659880, 87319760]

約数ペア:

[(1, 87319760), (2, 43659880), (4, 21829940), (5, 17463952), (8, 10914970), (10, 8731976), (11, 7938160), (16, 5457485), (20, 4365988), (22, 3969080), (40, 2182994), (44, 1984540), (55, 1587632), (67, 1303280), (80, 1091497), (88, 992270), (110, 793816), (134, 651640), (176, 496135), (220, 396908), (268, 325820), (335, 260656), (440, 198454), (536, 162910), (670, 130328), (737, 118480), (880, 99227), (1072, 81455), (1340, 65164), (1474, 59240), (1481, 58960), (2680, 32582), (2948, 29620), (2962, 29480), (3685, 23696), (5360, 16291), (5896, 14810), (5924, 14740), (7370, 11848), (7405, 11792)]