130767920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 318931968

約数和(自身を除く): 188164048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 787, 1072, 1240, 1340, 1574, 2077, 2480, 2680, 3148, 3935, 4154, 5360, 6296, 7870, 8308, 10385, 12592, 15740, 16616, 20770, 24397, 31480, 33232, 41540, 48794, 52729, 62960, 83080, 97588, 105458, 121985, 166160, 195176, 210916, 243970, 263645, 390352, 421832, 487940, 527290, 843664, 975880, 1054580, 1634599, 1951760, 2109160, 3269198, 4218320, 6538396, 8172995, 13076792, 16345990, 26153584, 32691980, 65383960, 130767920]

約数ペア:

[(1, 130767920), (2, 65383960), (4, 32691980), (5, 26153584), (8, 16345990), (10, 13076792), (16, 8172995), (20, 6538396), (31, 4218320), (40, 3269198), (62, 2109160), (67, 1951760), (80, 1634599), (124, 1054580), (134, 975880), (155, 843664), (248, 527290), (268, 487940), (310, 421832), (335, 390352), (496, 263645), (536, 243970), (620, 210916), (670, 195176), (787, 166160), (1072, 121985), (1240, 105458), (1340, 97588), (1574, 83080), (2077, 62960), (2480, 52729), (2680, 48794), (3148, 41540), (3935, 33232), (4154, 31480), (5360, 24397), (6296, 20770), (7870, 16616), (8308, 15740), (10385, 12592)]