90361280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9109}}^1$

素因数の和:9157

約数の個数: 56

約数和(自身を含む): 222138240

約数和(自身を除く): 131776960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9109, 9920, 18218, 36436, 45545, 72872, 91090, 145744, 182180, 282379, 291488, 364360, 564758, 582976, 728720, 1129516, 1411895, 1457440, 2259032, 2823790, 2914880, 4518064, 5647580, 9036128, 11295160, 18072256, 22590320, 45180640, 90361280]

約数ペア:

[(1, 90361280), (2, 45180640), (4, 22590320), (5, 18072256), (8, 11295160), (10, 9036128), (16, 5647580), (20, 4518064), (31, 2914880), (32, 2823790), (40, 2259032), (62, 1457440), (64, 1411895), (80, 1129516), (124, 728720), (155, 582976), (160, 564758), (248, 364360), (310, 291488), (320, 282379), (496, 182180), (620, 145744), (992, 91090), (1240, 72872), (1984, 45545), (2480, 36436), (4960, 18218), (9109, 9920)]