81419910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18979}}^1$

素因数の和:19013

約数の個数: 64

約数和(自身を含む): 229582080

約数和(自身を除く): 148162170

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 18979, 37958, 56937, 94895, 113874, 189790, 208769, 246727, 284685, 417538, 493454, 569370, 626307, 740181, 1043845, 1233635, 1252614, 1480362, 2087690, 2467270, 2713997, 3131535, 3700905, 5427994, 6263070, 7401810, 8141991, 13569985, 16283982, 27139970, 40709955, 81419910]

約数ペア:

[(1, 81419910), (2, 40709955), (3, 27139970), (5, 16283982), (6, 13569985), (10, 8141991), (11, 7401810), (13, 6263070), (15, 5427994), (22, 3700905), (26, 3131535), (30, 2713997), (33, 2467270), (39, 2087690), (55, 1480362), (65, 1252614), (66, 1233635), (78, 1043845), (110, 740181), (130, 626307), (143, 569370), (165, 493454), (195, 417538), (286, 284685), (330, 246727), (390, 208769), (429, 189790), (715, 113874), (858, 94895), (1430, 56937), (2145, 37958), (4290, 18979)]