268085240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 679777920

約数和(自身を除く): 411692680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 61, 68, 85, 92, 115, 122, 136, 170, 184, 230, 244, 281, 305, 340, 391, 460, 488, 562, 610, 680, 782, 920, 1037, 1124, 1220, 1403, 1405, 1564, 1955, 2074, 2248, 2440, 2806, 2810, 3128, 3910, 4148, 4777, 5185, 5612, 5620, 6463, 7015, 7820, 8296, 9554, 10370, 11224, 11240, 12926, 14030, 15640, 17141, 19108, 20740, 23851, 23885, 25852, 28060, 32315, 34282, 38216, 41480, 47702, 47770, 51704, 56120, 64630, 68564, 85705, 95404, 95540, 109871, 119255, 129260, 137128, 171410, 190808, 191080, 219742, 238510, 258520, 291397, 342820, 394243, 439484, 477020, 549355, 582794, 685640, 788486, 878968, 954040, 1098710, 1165588, 1456985, 1576972, 1971215, 2197420, 2331176, 2913970, 3153944, 3942430, 4394840, 5827940, 6702131, 7884860, 11655880, 13404262, 15769720, 26808524, 33510655, 53617048, 67021310, 134042620, 268085240]

約数ペア:

[(1, 268085240), (2, 134042620), (4, 67021310), (5, 53617048), (8, 33510655), (10, 26808524), (17, 15769720), (20, 13404262), (23, 11655880), (34, 7884860), (40, 6702131), (46, 5827940), (61, 4394840), (68, 3942430), (85, 3153944), (92, 2913970), (115, 2331176), (122, 2197420), (136, 1971215), (170, 1576972), (184, 1456985), (230, 1165588), (244, 1098710), (281, 954040), (305, 878968), (340, 788486), (391, 685640), (460, 582794), (488, 549355), (562, 477020), (610, 439484), (680, 394243), (782, 342820), (920, 291397), (1037, 258520), (1124, 238510), (1220, 219742), (1403, 191080), (1405, 190808), (1564, 171410), (1955, 137128), (2074, 129260), (2248, 119255), (2440, 109871), (2806, 95540), (2810, 95404), (3128, 85705), (3910, 68564), (4148, 64630), (4777, 56120), (5185, 51704), (5612, 47770), (5620, 47702), (6463, 41480), (7015, 38216), (7820, 34282), (8296, 32315), (9554, 28060), (10370, 25852), (11224, 23885), (11240, 23851), (12926, 20740), (14030, 19108), (15640, 17141)]