78466830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4679}}^1$

素因数の和:4745

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 129100530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 4679, 5590, 8385, 9358, 14037, 16770, 23395, 28074, 46790, 60827, 70185, 121654, 140370, 182481, 201197, 304135, 364962, 402394, 603591, 608270, 912405, 1005985, 1207182, 1824810, 2011970, 2615561, 3017955, 5231122, 6035910, 7846683, 13077805, 15693366, 26155610, 39233415, 78466830]

約数ペア:

[(1, 78466830), (2, 39233415), (3, 26155610), (5, 15693366), (6, 13077805), (10, 7846683), (13, 6035910), (15, 5231122), (26, 3017955), (30, 2615561), (39, 2011970), (43, 1824810), (65, 1207182), (78, 1005985), (86, 912405), (129, 608270), (130, 603591), (195, 402394), (215, 364962), (258, 304135), (390, 201197), (430, 182481), (559, 140370), (645, 121654), (1118, 70185), (1290, 60827), (1677, 46790), (2795, 28074), (3354, 23395), (4679, 16770), (5590, 14037), (8385, 9358)]