12791640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 40930560

約数和(自身を除く): 28138920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 67, 74, 86, 111, 120, 129, 134, 148, 172, 185, 201, 215, 222, 258, 268, 296, 335, 344, 370, 402, 430, 444, 516, 536, 555, 645, 670, 740, 804, 860, 888, 1005, 1032, 1110, 1290, 1340, 1480, 1591, 1608, 1720, 2010, 2220, 2479, 2580, 2680, 2881, 3182, 4020, 4440, 4773, 4958, 5160, 5762, 6364, 7437, 7955, 8040, 8643, 9546, 9916, 11524, 12395, 12728, 14405, 14874, 15910, 17286, 19092, 19832, 23048, 23865, 24790, 28810, 29748, 31820, 34572, 37185, 38184, 43215, 47730, 49580, 57620, 59496, 63640, 69144, 74370, 86430, 95460, 99160, 106597, 115240, 148740, 172860, 190920, 213194, 297480, 319791, 345720, 426388, 532985, 639582, 852776, 1065970, 1279164, 1598955, 2131940, 2558328, 3197910, 4263880, 6395820, 12791640]

約数ペア:

[(1, 12791640), (2, 6395820), (3, 4263880), (4, 3197910), (5, 2558328), (6, 2131940), (8, 1598955), (10, 1279164), (12, 1065970), (15, 852776), (20, 639582), (24, 532985), (30, 426388), (37, 345720), (40, 319791), (43, 297480), (60, 213194), (67, 190920), (74, 172860), (86, 148740), (111, 115240), (120, 106597), (129, 99160), (134, 95460), (148, 86430), (172, 74370), (185, 69144), (201, 63640), (215, 59496), (222, 57620), (258, 49580), (268, 47730), (296, 43215), (335, 38184), (344, 37185), (370, 34572), (402, 31820), (430, 29748), (444, 28810), (516, 24790), (536, 23865), (555, 23048), (645, 19832), (670, 19092), (740, 17286), (804, 15910), (860, 14874), (888, 14405), (1005, 12728), (1032, 12395), (1110, 11524), (1290, 9916), (1340, 9546), (1480, 8643), (1591, 8040), (1608, 7955), (1720, 7437), (2010, 6364), (2220, 5762), (2479, 5160), (2580, 4958), (2680, 4773), (2881, 4440), (3182, 4020)]