15755740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 44481024

約数和(自身を除く): 28725284

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 787, 910, 1001, 1430, 1540, 1574, 1820, 2002, 2860, 3148, 3935, 4004, 5005, 5509, 7870, 8657, 10010, 10231, 11018, 15740, 17314, 20020, 20462, 22036, 27545, 34628, 40924, 43285, 51155, 55090, 60599, 71617, 86570, 102310, 110180, 112541, 121198, 143234, 173140, 204620, 225082, 242396, 286468, 302995, 358085, 450164, 562705, 605990, 716170, 787787, 1125410, 1211980, 1432340, 1575574, 2250820, 3151148, 3938935, 7877870, 15755740]

約数ペア:

[(1, 15755740), (2, 7877870), (4, 3938935), (5, 3151148), (7, 2250820), (10, 1575574), (11, 1432340), (13, 1211980), (14, 1125410), (20, 787787), (22, 716170), (26, 605990), (28, 562705), (35, 450164), (44, 358085), (52, 302995), (55, 286468), (65, 242396), (70, 225082), (77, 204620), (91, 173140), (110, 143234), (130, 121198), (140, 112541), (143, 110180), (154, 102310), (182, 86570), (220, 71617), (260, 60599), (286, 55090), (308, 51155), (364, 43285), (385, 40924), (455, 34628), (572, 27545), (715, 22036), (770, 20462), (787, 20020), (910, 17314), (1001, 15740), (1430, 11018), (1540, 10231), (1574, 10010), (1820, 8657), (2002, 7870), (2860, 5509), (3148, 5005), (3935, 4004)]