64460720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 159579072

約数和(自身を除く): 95118352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 184, 212, 230, 265, 368, 424, 460, 530, 661, 848, 920, 1060, 1219, 1322, 1840, 2120, 2438, 2644, 3305, 4240, 4876, 5288, 6095, 6610, 9752, 10576, 12190, 13220, 15203, 19504, 24380, 26440, 30406, 35033, 48760, 52880, 60812, 70066, 76015, 97520, 121624, 140132, 152030, 175165, 243248, 280264, 304060, 350330, 560528, 608120, 700660, 805759, 1216240, 1401320, 1611518, 2802640, 3223036, 4028795, 6446072, 8057590, 12892144, 16115180, 32230360, 64460720]

約数ペア:

[(1, 64460720), (2, 32230360), (4, 16115180), (5, 12892144), (8, 8057590), (10, 6446072), (16, 4028795), (20, 3223036), (23, 2802640), (40, 1611518), (46, 1401320), (53, 1216240), (80, 805759), (92, 700660), (106, 608120), (115, 560528), (184, 350330), (212, 304060), (230, 280264), (265, 243248), (368, 175165), (424, 152030), (460, 140132), (530, 121624), (661, 97520), (848, 76015), (920, 70066), (1060, 60812), (1219, 52880), (1322, 48760), (1840, 35033), (2120, 30406), (2438, 26440), (2644, 24380), (3305, 19504), (4240, 15203), (4876, 13220), (5288, 12190), (6095, 10576), (6610, 9752)]