164921580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{24763}}^1$

素因数の和:24815

約数の個数: 72

約数和(自身を含む): 513803472

約数和(自身を除く): 348881892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 24763, 49526, 74289, 99052, 123815, 148578, 222867, 247630, 297156, 371445, 445734, 495260, 742890, 891468, 916231, 1114335, 1485780, 1832462, 2228670, 2748693, 3664924, 4457340, 4581155, 5497386, 8246079, 9162310, 10994772, 13743465, 16492158, 18324620, 27486930, 32984316, 41230395, 54973860, 82460790, 164921580]

約数ペア:

[(1, 164921580), (2, 82460790), (3, 54973860), (4, 41230395), (5, 32984316), (6, 27486930), (9, 18324620), (10, 16492158), (12, 13743465), (15, 10994772), (18, 9162310), (20, 8246079), (30, 5497386), (36, 4581155), (37, 4457340), (45, 3664924), (60, 2748693), (74, 2228670), (90, 1832462), (111, 1485780), (148, 1114335), (180, 916231), (185, 891468), (222, 742890), (333, 495260), (370, 445734), (444, 371445), (555, 297156), (666, 247630), (740, 222867), (1110, 148578), (1332, 123815), (1665, 99052), (2220, 74289), (3330, 49526), (6660, 24763)]