1642006480

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 3865109760

約数和(自身を除く): 2223103280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 239, 314, 478, 547, 628, 785, 956, 1094, 1195, 1256, 1570, 1912, 2188, 2390, 2512, 2735, 3140, 3824, 4376, 4780, 5470, 6280, 8752, 9560, 10940, 12560, 19120, 21880, 37523, 43760, 75046, 85879, 130733, 150092, 171758, 187615, 261466, 300184, 343516, 375230, 429395, 522932, 600368, 653665, 687032, 750460, 858790, 1045864, 1307330, 1374064, 1500920, 1717580, 2091728, 2614660, 3001840, 3435160, 5229320, 6870320, 10458640, 20525081, 41050162, 82100324, 102625405, 164200648, 205250810, 328401296, 410501620, 821003240, 1642006480]

約数ペア:

[(1, 1642006480), (2, 821003240), (4, 410501620), (5, 328401296), (8, 205250810), (10, 164200648), (16, 102625405), (20, 82100324), (40, 41050162), (80, 20525081), (157, 10458640), (239, 6870320), (314, 5229320), (478, 3435160), (547, 3001840), (628, 2614660), (785, 2091728), (956, 1717580), (1094, 1500920), (1195, 1374064), (1256, 1307330), (1570, 1045864), (1912, 858790), (2188, 750460), (2390, 687032), (2512, 653665), (2735, 600368), (3140, 522932), (3824, 429395), (4376, 375230), (4780, 343516), (5470, 300184), (6280, 261466), (8752, 187615), (9560, 171758), (10940, 150092), (12560, 130733), (19120, 85879), (21880, 75046), (37523, 43760)]