64741780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 151014528

約数和(自身を除く): 86272748

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 289, 340, 391, 460, 487, 578, 782, 974, 1156, 1445, 1564, 1948, 1955, 2435, 2890, 3910, 4870, 5780, 6647, 7820, 8279, 9740, 11201, 13294, 16558, 22402, 26588, 33116, 33235, 41395, 44804, 56005, 66470, 82790, 112010, 132940, 140743, 165580, 190417, 224020, 281486, 380834, 562972, 703715, 761668, 952085, 1407430, 1904170, 2814860, 3237089, 3808340, 6474178, 12948356, 16185445, 32370890, 64741780]

約数ペア:

[(1, 64741780), (2, 32370890), (4, 16185445), (5, 12948356), (10, 6474178), (17, 3808340), (20, 3237089), (23, 2814860), (34, 1904170), (46, 1407430), (68, 952085), (85, 761668), (92, 703715), (115, 562972), (170, 380834), (230, 281486), (289, 224020), (340, 190417), (391, 165580), (460, 140743), (487, 132940), (578, 112010), (782, 82790), (974, 66470), (1156, 56005), (1445, 44804), (1564, 41395), (1948, 33235), (1955, 33116), (2435, 26588), (2890, 22402), (3910, 16558), (4870, 13294), (5780, 11201), (6647, 9740), (7820, 8279)]