16067920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 44327520

約数和(自身を除く): 28259600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 176, 190, 209, 220, 248, 304, 310, 341, 380, 418, 440, 496, 589, 620, 682, 760, 836, 880, 961, 1045, 1178, 1240, 1364, 1520, 1672, 1705, 1922, 2090, 2356, 2480, 2728, 2945, 3344, 3410, 3844, 4180, 4712, 4805, 5456, 5890, 6479, 6820, 7688, 8360, 9424, 9610, 10571, 11780, 12958, 13640, 15376, 16720, 18259, 19220, 21142, 23560, 25916, 27280, 32395, 36518, 38440, 42284, 47120, 51832, 52855, 64790, 73036, 76880, 84568, 91295, 103664, 105710, 129580, 146072, 169136, 182590, 200849, 211420, 259160, 292144, 365180, 401698, 422840, 518320, 730360, 803396, 845680, 1004245, 1460720, 1606792, 2008490, 3213584, 4016980, 8033960, 16067920]

約数ペア:

[(1, 16067920), (2, 8033960), (4, 4016980), (5, 3213584), (8, 2008490), (10, 1606792), (11, 1460720), (16, 1004245), (19, 845680), (20, 803396), (22, 730360), (31, 518320), (38, 422840), (40, 401698), (44, 365180), (55, 292144), (62, 259160), (76, 211420), (80, 200849), (88, 182590), (95, 169136), (110, 146072), (124, 129580), (152, 105710), (155, 103664), (176, 91295), (190, 84568), (209, 76880), (220, 73036), (248, 64790), (304, 52855), (310, 51832), (341, 47120), (380, 42284), (418, 38440), (440, 36518), (496, 32395), (589, 27280), (620, 25916), (682, 23560), (760, 21142), (836, 19220), (880, 18259), (961, 16720), (1045, 15376), (1178, 13640), (1240, 12958), (1364, 11780), (1520, 10571), (1672, 9610), (1705, 9424), (1922, 8360), (2090, 7688), (2356, 6820), (2480, 6479), (2728, 5890), (2945, 5456), (3344, 4805), (3410, 4712), (3844, 4180)]