15311560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 41990400

約数和(自身を除く): 26678840

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 85, 88, 89, 92, 110, 115, 136, 170, 178, 184, 187, 220, 230, 253, 340, 356, 374, 391, 440, 445, 460, 506, 680, 712, 748, 782, 890, 920, 935, 979, 1012, 1265, 1496, 1513, 1564, 1780, 1870, 1955, 1958, 2024, 2047, 2530, 3026, 3128, 3560, 3740, 3910, 3916, 4094, 4301, 4895, 5060, 6052, 7480, 7565, 7820, 7832, 8188, 8602, 9790, 10120, 10235, 12104, 15130, 15640, 16376, 16643, 17204, 19580, 20470, 21505, 22517, 30260, 33286, 34408, 34799, 39160, 40940, 43010, 45034, 60520, 66572, 69598, 81880, 83215, 86020, 90068, 112585, 133144, 139196, 166430, 172040, 173995, 180136, 225170, 278392, 332860, 347990, 382789, 450340, 665720, 695980, 765578, 900680, 1391960, 1531156, 1913945, 3062312, 3827890, 7655780, 15311560]

約数ペア:

[(1, 15311560), (2, 7655780), (4, 3827890), (5, 3062312), (8, 1913945), (10, 1531156), (11, 1391960), (17, 900680), (20, 765578), (22, 695980), (23, 665720), (34, 450340), (40, 382789), (44, 347990), (46, 332860), (55, 278392), (68, 225170), (85, 180136), (88, 173995), (89, 172040), (92, 166430), (110, 139196), (115, 133144), (136, 112585), (170, 90068), (178, 86020), (184, 83215), (187, 81880), (220, 69598), (230, 66572), (253, 60520), (340, 45034), (356, 43010), (374, 40940), (391, 39160), (440, 34799), (445, 34408), (460, 33286), (506, 30260), (680, 22517), (712, 21505), (748, 20470), (782, 19580), (890, 17204), (920, 16643), (935, 16376), (979, 15640), (1012, 15130), (1265, 12104), (1496, 10235), (1513, 10120), (1564, 9790), (1780, 8602), (1870, 8188), (1955, 7832), (1958, 7820), (2024, 7565), (2047, 7480), (2530, 6052), (3026, 5060), (3128, 4895), (3560, 4301), (3740, 4094), (3910, 3916)]