1290705120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{896323}}^1$

素因数の和:896344

約数の個数: 72

約数和(自身を含む): 4404536136

約数和(自身を除く): 3113831016

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, 896323, 1792646, 2688969, 3585292, 4481615, 5377938, 7170584, 8066907, 8963230, 10755876, 13444845, 14341168, 16133814, 17926460, 21511752, 26889690, 28682336, 32267628, 35852920, 40334535, 43023504, 53779380, 64535256, 71705840, 80669070, 86047008, 107558760, 129070512, 143411680, 161338140, 215117520, 258141024, 322676280, 430235040, 645352560, 1290705120]

約数ペア:

[(1, 1290705120), (2, 645352560), (3, 430235040), (4, 322676280), (5, 258141024), (6, 215117520), (8, 161338140), (9, 143411680), (10, 129070512), (12, 107558760), (15, 86047008), (16, 80669070), (18, 71705840), (20, 64535256), (24, 53779380), (30, 43023504), (32, 40334535), (36, 35852920), (40, 32267628), (45, 28682336), (48, 26889690), (60, 21511752), (72, 17926460), (80, 16133814), (90, 14341168), (96, 13444845), (120, 10755876), (144, 8963230), (160, 8066907), (180, 7170584), (240, 5377938), (288, 4481615), (360, 3585292), (480, 2688969), (720, 1792646), (1440, 896323)]