64988640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{45131}}^1$

素因数の和:45152

約数の個数: 72

約数和(自身を含む): 221778648

約数和(自身を除く): 156790008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 45131, 90262, 135393, 180524, 225655, 270786, 361048, 406179, 451310, 541572, 676965, 722096, 812358, 902620, 1083144, 1353930, 1444192, 1624716, 1805240, 2030895, 2166288, 2707860, 3249432, 3610480, 4061790, 4332576, 5415720, 6498864, 7220960, 8123580, 10831440, 12997728, 16247160, 21662880, 32494320, 64988640]

約数ペア:

[(1, 64988640), (2, 32494320), (3, 21662880), (4, 16247160), (5, 12997728), (6, 10831440), (8, 8123580), (9, 7220960), (10, 6498864), (12, 5415720), (15, 4332576), (16, 4061790), (18, 3610480), (20, 3249432), (24, 2707860), (30, 2166288), (32, 2030895), (36, 1805240), (40, 1624716), (45, 1444192), (48, 1353930), (60, 1083144), (72, 902620), (80, 812358), (90, 722096), (96, 676965), (120, 541572), (144, 451310), (160, 406179), (180, 361048), (240, 270786), (288, 225655), (360, 180524), (480, 135393), (720, 90262), (1440, 45131)]