28855560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 91163520

約数和(自身を除く): 62307960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 67, 74, 97, 111, 120, 134, 148, 185, 194, 201, 222, 268, 291, 296, 335, 370, 388, 402, 444, 485, 536, 555, 582, 670, 740, 776, 804, 888, 970, 1005, 1110, 1164, 1340, 1455, 1480, 1608, 1940, 2010, 2220, 2328, 2479, 2680, 2910, 3589, 3880, 4020, 4440, 4958, 5820, 6499, 7178, 7437, 8040, 9916, 10767, 11640, 12395, 12998, 14356, 14874, 17945, 19497, 19832, 21534, 24790, 25996, 28712, 29748, 32495, 35890, 37185, 38994, 43068, 49580, 51992, 53835, 59496, 64990, 71780, 74370, 77988, 86136, 97485, 99160, 107670, 129980, 143560, 148740, 155976, 194970, 215340, 240463, 259960, 297480, 389940, 430680, 480926, 721389, 779880, 961852, 1202315, 1442778, 1923704, 2404630, 2885556, 3606945, 4809260, 5771112, 7213890, 9618520, 14427780, 28855560]

約数ペア:

[(1, 28855560), (2, 14427780), (3, 9618520), (4, 7213890), (5, 5771112), (6, 4809260), (8, 3606945), (10, 2885556), (12, 2404630), (15, 1923704), (20, 1442778), (24, 1202315), (30, 961852), (37, 779880), (40, 721389), (60, 480926), (67, 430680), (74, 389940), (97, 297480), (111, 259960), (120, 240463), (134, 215340), (148, 194970), (185, 155976), (194, 148740), (201, 143560), (222, 129980), (268, 107670), (291, 99160), (296, 97485), (335, 86136), (370, 77988), (388, 74370), (402, 71780), (444, 64990), (485, 59496), (536, 53835), (555, 51992), (582, 49580), (670, 43068), (740, 38994), (776, 37185), (804, 35890), (888, 32495), (970, 29748), (1005, 28712), (1110, 25996), (1164, 24790), (1340, 21534), (1455, 19832), (1480, 19497), (1608, 17945), (1940, 14874), (2010, 14356), (2220, 12998), (2328, 12395), (2479, 11640), (2680, 10767), (2910, 9916), (3589, 8040), (3880, 7437), (4020, 7178), (4440, 6499), (4958, 5820)]