15249520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 160

約数和(自身を含む): 43997184

約数和(自身を除く): 28747664

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 43, 44, 52, 55, 62, 65, 80, 86, 88, 104, 110, 124, 130, 143, 155, 172, 176, 208, 215, 220, 248, 260, 286, 310, 341, 344, 403, 430, 440, 473, 496, 520, 559, 572, 620, 682, 688, 715, 806, 860, 880, 946, 1040, 1118, 1144, 1240, 1333, 1364, 1430, 1612, 1705, 1720, 1892, 2015, 2236, 2288, 2365, 2480, 2666, 2728, 2795, 2860, 3224, 3410, 3440, 3784, 4030, 4433, 4472, 4730, 5332, 5456, 5590, 5720, 6149, 6448, 6665, 6820, 7568, 8060, 8866, 8944, 9460, 10664, 11180, 11440, 12298, 13330, 13640, 14663, 16120, 17329, 17732, 18920, 21328, 22165, 22360, 24596, 26660, 27280, 29326, 30745, 32240, 34658, 35464, 37840, 44330, 44720, 49192, 53320, 58652, 61490, 69316, 70928, 73315, 86645, 88660, 98384, 106640, 117304, 122980, 138632, 146630, 173290, 177320, 190619, 234608, 245960, 277264, 293260, 346580, 354640, 381238, 491920, 586520, 693160, 762476, 953095, 1173040, 1386320, 1524952, 1906190, 3049904, 3812380, 7624760, 15249520]

約数ペア:

[(1, 15249520), (2, 7624760), (4, 3812380), (5, 3049904), (8, 1906190), (10, 1524952), (11, 1386320), (13, 1173040), (16, 953095), (20, 762476), (22, 693160), (26, 586520), (31, 491920), (40, 381238), (43, 354640), (44, 346580), (52, 293260), (55, 277264), (62, 245960), (65, 234608), (80, 190619), (86, 177320), (88, 173290), (104, 146630), (110, 138632), (124, 122980), (130, 117304), (143, 106640), (155, 98384), (172, 88660), (176, 86645), (208, 73315), (215, 70928), (220, 69316), (248, 61490), (260, 58652), (286, 53320), (310, 49192), (341, 44720), (344, 44330), (403, 37840), (430, 35464), (440, 34658), (473, 32240), (496, 30745), (520, 29326), (559, 27280), (572, 26660), (620, 24596), (682, 22360), (688, 22165), (715, 21328), (806, 18920), (860, 17732), (880, 17329), (946, 16120), (1040, 14663), (1118, 13640), (1144, 13330), (1240, 12298), (1333, 11440), (1364, 11180), (1430, 10664), (1612, 9460), (1705, 8944), (1720, 8866), (1892, 8060), (2015, 7568), (2236, 6820), (2288, 6665), (2365, 6448), (2480, 6149), (2666, 5720), (2728, 5590), (2795, 5456), (2860, 5332), (3224, 4730), (3410, 4472), (3440, 4433), (3784, 4030)]